diff --git a/app/Http/Controllers/ChartController.php b/app/Http/Controllers/ChartController.php
index 1ad2d1423155..394e762d9749 100644
--- a/app/Http/Controllers/ChartController.php
+++ b/app/Http/Controllers/ChartController.php
@@ -11,8 +11,9 @@
 
 namespace App\Http\Controllers;
 
-use App\Http\Requests\Chart\ShowChartRequest;
 use App\Services\Chart\ChartService;
+use App\Http\Requests\Chart\ShowChartRequest;
+use App\Http\Requests\Chart\ShowCalculatedFieldRequest;
 
 class ChartController extends BaseController
 {
@@ -65,5 +66,15 @@ class ChartController extends BaseController
         return response()->json($cs->chart_summary($request->input('start_date'), $request->input('end_date')), 200);
     }
 
+    public function calculatedField(ShowCalculatedFieldRequest $request)
+    {
 
+        /** @var \App\Models\User auth()->user() */
+        $user = auth()->user();
+        $cs = new ChartService($user->company(), $user, $user->isAdmin());
+        $result = $cs->getCalculatedField($request->all());
+        
+        return response()->json($result, 200);
+
+    }
 }
diff --git a/app/Http/Requests/Chart/ShowCalculatedFieldRequest.php b/app/Http/Requests/Chart/ShowCalculatedFieldRequest.php
new file mode 100644
index 000000000000..0980dcd3173c
--- /dev/null
+++ b/app/Http/Requests/Chart/ShowCalculatedFieldRequest.php
@@ -0,0 +1,78 @@
+<?php
+/**
+ * Invoice Ninja (https://invoiceninja.com).
+ *
+ * @link https://github.com/invoiceninja/invoiceninja source repository
+ *
+ * @copyright Copyright (c) 2024. Invoice Ninja LLC (https://invoiceninja.com)
+ *
+ * @license https://www.elastic.co/licensing/elastic-license
+ */
+
+namespace App\Http\Requests\Chart;
+
+use App\Http\Requests\Request;
+use App\Utils\Traits\MakesDates;
+
+class ShowCalculatedFieldRequest extends Request
+{
+    use MakesDates;
+
+    /**
+     * Determine if the user is authorized to make this request.
+     *
+     * @return bool
+     */
+    public function authorize(): bool
+    {
+        /**@var \App\Models\User auth()->user */
+        $user = auth()->user();
+
+        return $user->isAdmin() || $user->hasPermission('view_dashboard');
+    }
+
+    public function rules()
+    {
+        return [
+            'date_range' => 'bail|sometimes|string|in:last7_days,last30_days,last365_days,this_month,last_month,this_quarter,last_quarter,this_year,last_year,all_time,custom',
+            'start_date' => 'bail|sometimes|date',
+            'end_date' => 'bail|sometimes|date',
+            'field' => 'required|bail|in:active_invoices, outstanding_invoices, completed_payments, refunded_payments, active_quotes, unapproved_quotes, logged_tasks, invoiced_tasks, paid_tasks, logged_expenses, pending_expenses, invoiced_expenses, invoice_paid_expenses',
+            'calculation' => 'required|bail|in:sum,avg,count',
+            'period' => 'required|bail|in:current,previous,total',
+            'format' => 'sometimes|bail|in:time,money',
+        ];
+    }
+
+    public function prepareForValidation()
+    {
+
+        /**@var \App\Models\User auth()->user */
+        $user = auth()->user();
+
+        $input = $this->all();
+
+        if(isset($input['date_range'])) {
+            $dates = $this->calculateStartAndEndDates($input, $user->company());
+            $input['start_date'] = $dates[0];
+            $input['end_date'] = $dates[1];
+        }
+
+        if (! isset($input['start_date'])) {
+            $input['start_date'] = now()->subDays(20)->format('Y-m-d');
+        }
+
+        if (! isset($input['end_date'])) {
+            $input['end_date'] = now()->format('Y-m-d');
+        }
+
+        if(isset($input['period']) && $input['period'] == 'previous')
+        {
+            $dates = $this->calculatePreviousPeriodStartAndEndDates($input, $user->company());
+            $input['start_date'] = $dates[0];
+            $input['end_date'] = $dates[1];
+        }
+
+        $this->replace($input);
+    }
+}
diff --git a/app/Services/Chart/ChartCalculations.php b/app/Services/Chart/ChartCalculations.php
new file mode 100644
index 000000000000..92cbbd93c1fc
--- /dev/null
+++ b/app/Services/Chart/ChartCalculations.php
@@ -0,0 +1,173 @@
+<?php
+/**
+ * Invoice Ninja (https://invoiceninja.com).
+ *
+ * @link https://github.com/invoiceninja/invoiceninja source repository
+ *
+ * @copyright Copyright (c) 2024. Invoice Ninja LLC (https://invoiceninja.com)
+ *
+ * @license https://www.elastic.co/licensing/elastic-license
+ */
+
+namespace App\Services\Chart;
+
+use App\Models\Invoice;
+use App\Models\Payment;
+use App\Models\Quote;
+
+/**
+ * Class ChartCalculations.
+ */
+trait ChartCalculations
+{
+
+    public function getActiveInvoices($data): int|float
+    {
+        $result = 0;
+
+        $q = Invoice::query()
+                    ->withTrashed()
+                    ->where('company_id', $this->company->id)
+                    ->where('is_deleted', 0)
+                    ->whereIn('status_id', [2,3,4]);
+
+        if(in_array($data['period'],['current,previous']))
+            $q->whereBetween('date', [$data['start_date'], $data['end_date']]);
+
+        match ($data['calculation']) {
+            'sum' => $result = $q->sum('amount'),
+            'avg' => $result = $q->avg('amount'),
+            'count' => $result = $q->count(),
+            default => $result = 0,
+        };
+
+        return $result;
+
+    }
+
+    public function getOutstandingInvoices($data): int|float
+    {
+        $result = 0;
+
+        $q = Invoice::query()
+                    ->withTrashed()
+                    ->where('company_id', $this->company->id)
+                    ->where('is_deleted', 0)
+                    ->whereIn('status_id', [2,3]);
+
+        if(in_array($data['period'],['current,previous']))
+            $q->whereBetween('date', [$data['start_date'], $data['end_date']]);
+
+        match ($data['calculation']) {
+            'sum' => $result = $q->sum('balance'),
+            'avg' => $result = $q->avg('balance'),
+            'count' => $result = $q->count(),
+            default => $result = 0,
+        };
+
+        return $result;
+
+    }
+
+    public function getCompletedPayments($data): int|float
+    {
+        $result = 0;
+
+        $q = Payment::query()
+                    ->withTrashed()
+                    ->where('company_id', $this->company->id)
+                    ->where('is_deleted', 0)
+                    ->where('status_id', 4);
+
+        if(in_array($data['period'],['current,previous']))
+            $q->whereBetween('date', [$data['start_date'], $data['end_date']]);
+
+        match ($data['calculation']) {
+            'sum' => $result = $q->sum('amount'),
+            'avg' => $result = $q->avg('amount'),
+            'count' => $result = $q->count(),
+            default => $result = 0,
+        };
+
+        return $result;
+
+    }
+
+    public function getRefundedPayments($data): int|float
+    {
+        $result = 0;
+
+        $q = Payment::query()
+                    ->withTrashed()
+                    ->where('company_id', $this->company->id)
+                    ->where('is_deleted', 0)
+                    ->whereIn('status_id', [5,6]);
+
+        if(in_array($data['period'],['current,previous']))
+            $q->whereBetween('date', [$data['start_date'], $data['end_date']]);
+
+        match ($data['calculation']) {
+            'sum' => $result = $q->sum('refunded'),
+            'avg' => $result = $q->avg('refunded'),
+            'count' => $result = $q->count(),
+            default => $result = 0,
+        };
+
+        return $result;
+
+    }
+
+    public function getActiveQuotes($data): int|float
+    {
+        $result = 0;
+
+        $q = Quote::query()
+                    ->withTrashed()
+                    ->where('company_id', $this->company->id)
+                    ->where('is_deleted', 0)
+                    ->whereIn('status_id', [2,3])
+                    ->where(function ($qq){
+                        $qq->where('due_date', '>=', now()->toDateString())->orWhereNull('due_date');
+                    });
+
+        if(in_array($data['period'],['current,previous']))
+            $q->whereBetween('date', [$data['start_date'], $data['end_date']]);
+
+        match ($data['calculation']) {
+            'sum' => $result = $q->sum('refunded'),
+            'avg' => $result = $q->avg('refunded'),
+            'count' => $result = $q->count(),
+            default => $result = 0,
+        };
+
+        return $result;
+
+    }
+
+    public function getUnapprovedQuotes($data): int|float
+    {
+        $result = 0;
+
+        $q = Quote::query()
+                    ->withTrashed()
+                    ->where('company_id', $this->company->id)
+                    ->where('is_deleted', 0)
+                    ->whereIn('status_id', [2])
+                    ->where(function ($qq){
+                        $qq->where('due_date', '>=', now()->toDateString())->orWhereNull('due_date');
+                    });
+
+        if(in_array($data['period'],['current,previous']))
+            $q->whereBetween('date', [$data['start_date'], $data['end_date']]);
+
+        match ($data['calculation']) {
+            'sum' => $result = $q->sum('refunded'),
+            'avg' => $result = $q->avg('refunded'),
+            'count' => $result = $q->count(),
+            default => $result = 0,
+        };
+
+        return $result;
+
+    }
+}
\ No newline at end of file
diff --git a/app/Services/Chart/ChartService.php b/app/Services/Chart/ChartService.php
index 479f28e13a22..4bf080f950e6 100644
--- a/app/Services/Chart/ChartService.php
+++ b/app/Services/Chart/ChartService.php
@@ -14,12 +14,17 @@ namespace App\Services\Chart;
 use App\Models\Client;
 use App\Models\Company;
 use App\Models\Expense;
+use App\Models\Invoice;
+use App\Models\Payment;
+use App\Models\Quote;
+use App\Models\Task;
 use App\Models\User;
 use Illuminate\Support\Facades\Cache;
 
 class ChartService
 {
     use ChartQueries;
+    use ChartCalculations;
 
     public function __construct(public Company $company, private User $user, private bool $is_admin)
     {
@@ -71,7 +76,7 @@ class ChartService
 
         return $final_currencies;
     }
-
+    
     /* Chart Data */
     public function chart_summary($start_date, $end_date): array
     {
@@ -207,4 +212,44 @@ class ChartService
 
         return '';
     }
+
+    /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    /**
+     * calculatedField
+     * 
+     * @param  array $data - 
+     * 
+     * field - list of fields for calculation
+     * period - current/previous
+     * calculation - sum/count/avg
+     *
+     * date_range - this_month
+     * or
+     * start_date - end_date
+     */
+    public function getCalculatedField(array $data)
+    {
+        $results = 0;
+
+        match($data['field']){
+            'active_invoices' => $results = $this->getActiveInvoices($data), 
+            'outstanding_invoices' => $results = 0, 
+            'completed_payments' => $results = 0, 
+            'refunded_payments' => $results = 0, 
+            'active_quotes' => $results = 0, 
+            'unapproved_quotes' => $results = 0, 
+            'logged_tasks' => $results = 0, 
+            'invoiced_tasks' => $results = 0, 
+            'paid_tasks' => $results = 0, 
+            'logged_expenses' => $results = 0, 
+            'pending_expenses' => $results = 0, 
+            'invoiced_expenses' => $results = 0, 
+            'invoice_paid_expenses' => $results = 0,
+            default => $results = 0,
+        };
+
+        return $results;
+    }
+
 }
diff --git a/app/Utils/SystemHealth.php b/app/Utils/SystemHealth.php
index 2cbbe30313fa..46aac5fa4abb 100644
--- a/app/Utils/SystemHealth.php
+++ b/app/Utils/SystemHealth.php
@@ -85,6 +85,7 @@ class SystemHealth
             'file_permissions' => (string) self::checkFileSystem(),
             'exchange_rate_api_not_configured' => (bool)self::checkCurrencySanity(),
             'api_version' => (string) config('ninja.app_version'),
+            'is_docker' => (bool) config('ninja.is_docker'),
         ];
     }
 
diff --git a/app/Utils/Traits/MakesDates.php b/app/Utils/Traits/MakesDates.php
index 25bec419a744..1e7b551ad6a3 100644
--- a/app/Utils/Traits/MakesDates.php
+++ b/app/Utils/Traits/MakesDates.php
@@ -146,7 +146,6 @@ trait MakesDates
 
         }
 
-
         return match ($data['date_range']) {
             EmailStatement::LAST7 => [now()->startOfDay()->subDays(7)->format('Y-m-d'), now()->startOfDay()->format('Y-m-d')],
             EmailStatement::LAST30 => [now()->startOfDay()->subDays(30)->format('Y-m-d'), now()->startOfDay()->format('Y-m-d')],
@@ -162,4 +161,37 @@ trait MakesDates
         };
     }
 
+    public function calculatePreviousPeriodStartAndEndDates(array $data, ?Company $company = null): array
+    {
+
+        //override for financial years
+        if($data['date_range'] == 'this_year') {
+
+            $first_month_of_year = $company ? $company?->first_month_of_year : 1;
+            $fin_year_start = now()->createFromDate(now()->year, $first_month_of_year, 1);
+
+            $fin_year_start->subYearNoOverflow();
+
+            if(now()->subYear()->lt($fin_year_start)) {
+                $fin_year_start->subYearNoOverflow();
+            }
+
+        }
+                
+        return match ($data['date_range']) {
+            EmailStatement::LAST7 => [now()->startOfDay()->subDays(14)->format('Y-m-d'), now()->subDays(7)->startOfDay()->format('Y-m-d')],
+            EmailStatement::LAST30 => [now()->startOfDay()->subDays(60)->format('Y-m-d'), now()->subDays(30)->startOfDay()->format('Y-m-d')],
+            EmailStatement::LAST365 => [now()->startOfDay()->subDays(739)->format('Y-m-d'), now()->subDays(365)->startOfDay()->format('Y-m-d')],
+            EmailStatement::THIS_MONTH => [now()->startOfDay()->subMonthNoOverflow()->firstOfMonth()->format('Y-m-d'), now()->startOfDay()->subMonthNoOverflow()->lastOfMonth()->format('Y-m-d')],
+            EmailStatement::LAST_MONTH => [now()->startOfDay()->subMonthsNoOverflow(2)->firstOfMonth()->format('Y-m-d'), now()->startOfDay()->subMonthNoOverflow()->lastOfMonth()->format('Y-m-d')],
+            EmailStatement::THIS_QUARTER => [now()->startOfDay()->subQuarterNoOverflow()->startOfQuarter()->format('Y-m-d'), now()->startOfDay()->subQuarterNoOverflow()->endOfQuarter()->format('Y-m-d')],
+            EmailStatement::LAST_QUARTER => [now()->startOfDay()->subQuartersNoOverflow(2)->startOfQuarter()->format('Y-m-d'), now()->startOfDay()->subQuartersNoOverflow(2)->endOfQuarter()->format('Y-m-d')],
+            EmailStatement::THIS_YEAR => [$fin_year_start->subYear()->format('Y-m-d'), $fin_year_start->copy()->subDay()->format('Y-m-d')],
+            EmailStatement::LAST_YEAR => [$fin_year_start->subYear(2)->format('Y-m-d'), $fin_year_start->copy()->subYear()->subDay()->format('Y-m-d')],
+            EmailStatement::CUSTOM_RANGE => [$data['start_date'], $data['end_date']],
+            default => [now()->startOfDay()->firstOfMonth()->format('Y-m-d'), now()->startOfDay()->lastOfMonth()->format('Y-m-d')],
+        };
+
+    }
+
 }
diff --git a/resources/views/portal/ninja2020/auth/register.blade.php b/resources/views/portal/ninja2020/auth/register.blade.php
index f18b63a7e012..0dc41c225a32 100644
--- a/resources/views/portal/ninja2020/auth/register.blade.php
+++ b/resources/views/portal/ninja2020/auth/register.blade.php
@@ -81,7 +81,7 @@
                                         name="country_id">
                                             <option value="none"></option>
                                         @foreach(App\Utils\TranslationHelper::getCountries() as $country)
-                                            <option
+                                            <option value="{{ $country->id }}">
                                                 {{ $country->iso_3166_2 }}
                                                 ({{ $country->name }})
                                             </option>