Using the following data pertaining to the Best Co., compute Cost of Goods Sold: Materials inventory, 1/1/19.... $ 54,000 $ 40,500 Materials inventory, 12/31/19... Materials purchases..... $ 81,500 $ 28,500 $ 40,500 $ 34,000 Manufacturing overhead.. .$ 52,000 Finished goods inventory, 1/1/19. ...............$ 39,500 Finished goods inventory, 12/31/19.............$ 11,000 Work in process inventory, 1/1/19... Work in process inventory, 12/31/19.. Direct labor..........