Cost of materials purchases on account Cost of materials requisitioned (includes $4,600 of indirect) Direct labor costs incurred Manufacturing overhead costs incurred, including indirect materials Cost of goods manufactured Cost of goods sold Beginning raw materials inventory Beginning work in process inventory Beginning finished goods inventory Predetermined manufacturing overhead rate (as % of direct labor cost) $68,800 $51,800 $77,400 $97,600 $223,400 $151,800 $15,100 $30,600 $33,700 140% What is the balance in work in process inventory at the end of the year? OA. $50,800 O B. $19,540 O C. $24,500 O D. $40,160