4. See the following separate cases. Purchase of materials Materials inventory beginning balance Materials inventory (ending balance) Durect labor Factory supervision Factory supplies Total manufacturing costs Work in process inventory (beginning balance Work in process inventory (ending balance) Cost of goods manufactured Required: Sore for the missing amounts (A,B,C,D). Case 1 $5,000 A 1.000 27.000 1.500 1,250 14.300 1,200 B $14,600 Case #2 $220 350 4.250 1.100 900 D 1230 650 $10,200