could you please review my solution to the problem? and answer What problems has the firm experienced during the year? What potential problems do you see for the upcoming year?

The excel picture is the solution and the word picture is the problem.

ABC Firm produces a wide range of plastic products. Information for the firm's inventory accounts at the beginning and end of 2020 follows: Account Beg. Balance End. Balance Direct materials $121,500 $139,700 Work in process 458,900 998 400 Finished goods 845,300 239,500 Other information from 2020 for the firm includes: Sales salaries $156,300 Purchases of direct materials 192,400 Rent 84,300 Direct labour 243,500 Depreciation on corporate jet 44,700 Depreciation on factory machines 91,500 Sales 1,548,200 Insurance on corporate jet 34,800 Indirect labour 54,300 Fire insurance on factory building 12,500 Insurance on finished goods warehouse 18,4006 Direct materials: OH: Beg bal 121,500 Rent 84,300 NOTE: solution must contain a statement about the assumption that rent is rent on the f Purchases 192,400 Depreciation on factory machines 91,500 LD End bal [139.700) Indirect labour 54,300 10 DM used 174,200 Insurance on factory building 12,500 11 Total OH 242,600 12 WIP 13 Beg bal 458,900 14 DM used 174,200 15 DL 243,500 16 OH 242,600 17 End bal [998,400) 18 120,800 19 20 COGS 21 Beg bal 845,300 22 COGM 120,800 23 End bal (239.500) 24 COGS 726,600 25