Computation of profitability ratios Shown below are selected data from a recent annual report of Tall Oaks Co. (Dollar amounts are in thousands.) Beginning of the year 7,400 3,900 $ $ Total assets Total stockholders' equity Net Sales Gross Profit Operating income Net income End of the year $ 8,100 $ 4,600 14,000 5,000 $ 1,400 $ 1,000 Compute for the year the company's: Gross Profit Rate Return on Average Total Assets Return on Average Total Equity