The table below represents the costs for different accounts (ending balance before applying under over allocated balancing method) in company X. If the manufacturing overhead underallocated is $20,000 and the allocation base that .was used to allocate the overhead cost is machine hours Accounts Work in process Finished goods Cost of goods sold Actual machine hours 20 30 50 End of year balance $50,000 $70,000 $400,000 Find the value of WIP account after applying the write-off approach. $420,000 O $70,000 $50,000 $90,000