improved formatting

app/lib/formatStrings.ts

@@ -1,5 +1,6 @@
 export const formatCurrency = (amount:number) => {
     // format number wirh 2 decimal places and a thousand separator
+    // amount is in cents
     const formattedAmount = (amount/100).toFixed(2).replace(/\d(?=(\d{3})+\.)/g, '$&,');
     return(formattedAmount);
   }

app/page.tsx

@@ -70,7 +70,7 @@ export const Page = async () => {
                     <div className="card card-compact card-bordered max-w-[36em] bg-base-100 shadow-s my-1">
                         <span className="card-body self-center">
                           <p>
-                            Total monthly expenditure: <strong>{ formatCurrency(monthlyExpense/100) }</strong>
+                            Total monthly expenditure: <strong>{ formatCurrency(monthlyExpense) }</strong>
                           </p>
                         </span>
                     </div> : null