.$4,200,000 $810,000 $840,000 $2,550,000 $270,000 $250,000 $540,000 $560,000 E7.20 The following information is available for Mechanical Engineering, Inc.: 20X5 Sales (all credit) ..... Jan. 1, 20X5 Accounts receivable...... Dec 31, 20X5 Accounts receivable 20X5 Cost of goods sold Jan. 1, 20X5 Inventory Dec. 31, 20X5 Inventory Jan. 1, 20X5 Accounts payable.... Dec. 31, 20X5 Accounts payable Based on the information provided, calculate the following ratios: a) Inventory turnover. b) Average days of sale in inventory. c) Accounts receivable turnover. d) Average collection period. e) Operating cycle. 1) Account payable turnover. g) Day's payable. h) Conversion cycle