please show all work so i can understand how to do it

Required: Supply the 7 missing pieces of information (2a- 2g) in the following cases denoted by a question mark (?). Each of the three cases is independent of the others. Assume there is no work in process inventory. Please fill in your answers to 2a-2g in the appropriate lines on the answer sheet. Cost Case 1 Case 2 Case 3 Direct Materials $4,500 $9,000 $5,000 Direct Labor ? (1a) $3,000 $7,000 Manufacturing Overhead $3,000 Rate = 2/3 DMS? (11) Cost of Goods Manufactured $18,000? (10) $20,000 Sales $30,000 $19,000 ? (1g) Beginning Finished Goods $7,000 $2,500 $36,000 Inventory Ending Finished Goods ? (1b) $1,500 $5,000 Inventory Cost of Goods Sold $16,000? (10) ?(1h) Gross Margin $14,000? (10) 16,500 1(a) Direct Labor (Case 1): 1() Ending Finished Goods Inventory (Case 1): 1(c) Cost of Goods Manufactured (Case 2): (d) Cost of Goods Sold (Case 2): 1(e) Gross Margin (Case 2): 1() Manufacturing Overhead (Case 3) (9) Sales (Case 3): 1(h) Cost of Goods Sold (Case 3)