IO-764 Added cost to parts return.

client/src/pages/bills/bills.page.component.jsx

@@ -158,6 +158,7 @@ export function BillsListPage({
                       line_desc: i.line_desc,
                       //  db_price: i.actual_price,
                       act_price: i.actual_price,
+                      cost: i.actual_cost,
                       quantity: i.quantity,
                       joblineid: i.joblineid,
                     };