Assume that all raw materials are purchased on credit and all sales are credit sales. Compute the missing amounts above. Accounts receivable, January 1, 2020: 70,000 Accounts payable, January 1, 2020: ? Raw materials, January 1, 2020: 5,000 Work in process, January 1, 2020: 30,000 Finished goods, January 1, 2020: 73,000 Accounts receivable, December 31, 2020: 30,000 Accounts payable, December 31, 2020: 170,000 Raw materials, December 31, 2020: ? Work in process, December 31, 2020: 57,000 Finished goods, December 31, 2020: 54,000 Raw materials used in production: 120,000 Raw materials purchased: 180,000 Accounts receivable collections: ? Accounts payable payments: 82,000 Sales: ? Total manufacturing costs: ? Cost of goods manufactured: ? Cost of goods sold: ? Gross margin: 360,000