The following information was developed from the financial statements of Donelson, Inc. At the beginning of 2018, the company's former supplier went bankrupt, and the company began buying merchandise from another supplier. Gross profit on sales Income before income tax Net income Net income as a percentage of net sales 2018 $1,008,000 230,400 172,800 6.08 2017 $1,134,000 252,000 189,000 7.5% Required: a. Compute the net sales for each year. b. Compute the cost of goods sold in dollars and as a percentage of net sales for each year. c. Compute operating expenses in dollars and as a percentage of net sales for each year. (Income taxes expense is not an operating expense.) d. Prepare a condensed comparative income statement for 2017 and 2018. Include the following items: net sales, cost of goods sold, gross profit, operating expenses, income before income tax, income taxes expense, and net income. Omit earnings per share statistics. Complete this question by entering your answers in the tabs below. Required A Required B Required C Required D Compute the net sales for each year. 2018 2017 Net sales