app/Filament/Widgets/ItemOverview.php

@@ -140,14 +140,15 @@ class ItemOverview extends ChartWidget
             }, $shiftedKeys);
         }
 
-        $planData = [];
-        $cumulativeQuantity = 0;
+        $totalQuantity = array_sum($orderedData);
 
-        foreach ($orderedData as $quantity) {
-            $cumulativeQuantity += $quantity;
+        $planQuantity = round($totalQuantity / 22.5, 2);
 
-            $planData[] = round($cumulativeQuantity / 22.5, 2);
-        }
+        $planData = array_fill(
+            0,
+            count($orderedData),
+            $planQuantity
+        );
 
         return [
             'datasets' => [