Ex 18-12 Cost of goods manufactured for a manufacturing company Two items are omitted from each of the following three lists of cost of goods manufacture statement data. Determine the amounts of the missing items, identifying them by letter. Work in process inventory, July 1 Total manufacturing costs incurred during July Total manufacturing costs Work in process inventory, July 31 Cost of goods manufactured $ 19,200 43,200 134,400 (c) (c)50,400 $252,000 $58,800 57,600 600 28,800