Update

app/Actions/Dealer/CalculateManageSubsidiesOfCurrentPeriod.php

@@ -23,6 +23,8 @@ class CalculateManageSubsidiesOfCurrentPeriod
             $startAt = $tz->copy()->subMonthNoOverflow()->setDay(20)->startOfDay();
         }
 
-        return DealerManageSubsidyLog::where('order_completed_at', '>=', $startAt)->where('user_id', $dealer->user_id)->sum('total_amount');
+        $total = DealerManageSubsidyLog::where('order_completed_at', '>=', $startAt)->where('user_id', $dealer->user_id)->sum('total_amount');
+
+        return bcmul($total, '1', 2);
     }
 }

app/Actions/Dealer/CalculatePurchaseAmountOfCurrentPeriod.php

@@ -29,6 +29,6 @@ class CalculatePurchaseAmountOfCurrentPeriod
             $startAt = $tz->copy()->subMonthNoOverflow()->setDay(20)->startOfDay();
         }
 
-        return bcdiv($this->calculatePurchaseAmount->handle($dealer, $startAt), '1', 2);
+        return bcmul($this->calculatePurchaseAmount->handle($dealer, $startAt), '1', 2);
     }
 }

app/Actions/Dealer/CalculateUnsettledManageSubsidies.php

@@ -13,6 +13,8 @@ class CalculateUnsettledManageSubsidies
      */
     public function handle(Dealer $dealer): string
     {
-        return DealerManageSubsidyLog::whereNull('order_completed_at')->where('user_id', $dealer->user_id)->sum('total_amount');
+        $total = DealerManageSubsidyLog::whereNull('order_completed_at')->where('user_id', $dealer->user_id)->sum('total_amount');
+
+        return bcmul($total, '1', 2);
     }
 }

app/Actions/Dealer/CalculateUnsettledPurchaseAmount.php

@@ -15,8 +15,10 @@ class CalculateUnsettledPurchaseAmount
      */
     public function handle(Dealer $dealer): string
     {
-        return DealerPurchaseLog::whereNull('order_completed_at')
+        $total = DealerPurchaseLog::whereNull('order_completed_at')
             ->where('path', 'like', "{$dealer->userInfo->full_path}%")
             ->sum('total_amount');
+
+        return bcmul($total, '1', 2);
     }
 }