Can you help with the with the Inventory computation, cost of sales, and gross profit (or loss)?

See instructions below:

Determine the following: a) Gross profit (or loss) from the sale of goods or products for the current taxable year. b) The inventory. c) Total cost of sales (cost of sales). Item Balance at the beginning of the year January 1, 2019 $300,000 10,000 600,000 Materials Units in Process Finished Units Purchase of materials Direct wages Sales Other direct costs Fee income Royalties Rent Freight and tickets Balance at the end of the year December 31, 2019 $100,000 500,000 400,000 70,000 500,000 12,000,000 100,000 11,000 3,000 24,000 7,000