minor fix

src/components/CreateInvoice/CreateInvoice.tsx

@@ -121,7 +121,8 @@ const CreateInvoice: React.FC = ({
           method: 'POST',
           headers: {
             'Content-Type': 'application/json',
-            Authorization: `Bearer ${accessToken}`
+            Authorization: `Bearer ${accessToken}`,
+            Accept: "application/json"
           },
           
           body: JSON.stringify(tempData),

src/components/CreateInvoice/ProjectTotalFee.tsx

@@ -37,7 +37,7 @@ const ProjectTotalFee: React.FC= ({}) => {
       <Divider sx={{ paddingBlockStart: 2 }} />
       <Stack direction="row" justifyContent="space-between">
         <Typography variant="h6">{t("Project Total Fee")}</Typography>
-        <Typography>{moneyFormatter.format(projectTotal += amount)}</Typography>
+        <Typography>{moneyFormatter.format(amount ? projectTotal += amount : projectTotal)}</Typography>
       </Stack>
     </Stack>
   );