See the following separate cases. Purchase of materials Materials inventory (beginning balance) Materials inventory (ending balance) Direct labour Factory supervision Factory supplies Total manufacturing costs Work-in-process inventory (beginning balance) Work-in-process inventory (ending balance) Cost of goods manufactured Case #1 Case #2 $ 5,000 C A 220 1,000 350 7,000 4,250 1,500 1,100 1,250 900 14,500 D 1,200 1,230 B 650 14,600 10,200 Required: Solve for the missing amounts (A, B, C, and D). Please provide the calculation process (4 marks for each blank).