DEF Inc. has collected the following data about its inventory and operations over the past year. It applies overhead on the basis of direct labour hours, at a pre-determined rate. Unfortunately, DEF's senior accountant has fallen ill, and they have asked you to complete the year-end reporting. Jan 1, 20x3 Dec 31, 20x3 Work in process inventory $ 14,000 $ 18,600 Finished goods inventory $ 53,100 $ 58,000 Direct labour S 211,600 Direct materials used 84,200 Actual manufactured overhead costs incurred S 51,200 The direct labour rate, on average, is $22 per hour. At the beginning of the year, the accountant had estimated the company would use 9,000 labour hours and incur $54,000 in manufacturing overhead. Required: a. Prepare a Schedule of Cost of Goods Manufactured for the year ended December 31, 20x3. b. Calculate the Cost of Goods sold for the year ended December 31, 20x3. C. Calculate the over/under applied overhead