Answer:$687,700
Explanation:
                   $
Direct Materials    298,700
Add: Direct Labour  132,200
                 --------------
Prime Cost                   430,900
Factory Overhead    264,200
Add: Opening WIP Â Â Â 118,700
Less: Closing WIP Â Â Â 126,100
                  --------------
                             256,800
                            --------------
Cost of Good Manufacture        687,700
                             ----------------
 Â