River Falls Manufacturing uses a normal cost system and had the following data available for 2020: Direct materials purchased on account Direct materials requisitioned Direct labor cost incurred $157,000 85,000 129,000 Factory overhead incurred Cost of goods completed Cost of goods sold 146,000 299,000 257,000 Beginning direct materials inventory Beginning WIP inventory 25,000 60,000 O A. $422,350 O B. $123,350 C. $129,000 OD. $428,000 Direct labor cost incurred 129,000 Factory overhead incurred Cost of goods completed Cost of goods sold 146,000 299,000 257,000 Beginning direct materials inventory Beginning WIP inventory Beginning finished goods inventory Overhead application rate, as a percent of direct - labor costs 25,000 60,000 53,000 115 percent The ending balance of work-in-process inventory is O A. $422,350 O B. $123,350 OC. $129,000 O D. $428,000