diff --git a/src/app/admin/revenue/page.tsx b/src/app/admin/revenue/page.tsx
index efe6e1b..a86af8e 100644
--- a/src/app/admin/revenue/page.tsx
+++ b/src/app/admin/revenue/page.tsx
@@ -44,14 +44,14 @@ export default function AdminRevenue() {
     setLoading(false);
   };
 
-  const generateMonthlyHistory = (proCount: number) => {
-    const months = [];
+  const generateMonthlyHistory = (proCount: number): { month: string; revenue: number }[] => {
+    const months: { month: string; revenue: number }[] = [];
     for (let i = 11; i >= 0; i--) {
       const date = new Date();
       date.setMonth(date.getMonth() - i);
       months.push({
         month: date.toLocaleDateString("en-US", { month: "short", year: "2-digit" }),
-        revenue: proCount > 0 ? (proCount * PRO_PRICE).toFixed(2) : "0.00",
+        revenue: proCount > 0 ? proCount * PRO_PRICE : 0,
       });
     }
     return months;