16. Eisen Inc. purchased a new knitting machine in January 2015 for $50,000. The company intende to use it for five years and then sell it for $10,000. If the company actually sold it at the end of 2017 for $25,000, how much depreciation expense would be reported in years 2015, 2016, 2017 and 2018? 17. Hower Co. had sales of $10,000,000, a gross margin of $4,000,000, an operating income of $1,500,000, and net income of $1,000,000. Total assets were $20,000,000, and shareholders' equity was $5,000,000. There were 2,000,000 shares in issue. Required Calculate the following: (a) Gross margin as % of sales (b) Operating income as % of sales (c) Operating income as % of total assets (d) Return on shareholders' equity (e) Earnings per share