Can you help with the with the Inventory computation, cost of sales, and gross profit (or loss)? See information 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 Balance at the end of the year year January 1, 2019 December 31, 2019 Materials $900,000 $150,000 Units in Process 300,000 400,000 Finished Units 900,000 500,000 Purchase of materials 500,000 Direct wages 700,000 Sales 5,000,000 Other direct costs 40,000