Requirement 2. Calculate the rate of return on net sales for 2016 through 2018, rounding to the nearest one-tenth percent. Explain what this means. Begin by selecting the rate of return on net sales (return on sales) formula and enter the amounts to calculate the percentages. (Enter amounts in thousands as provided to you in the problem any zero amounts and enter the return on sales amounts as percentages rounded to one-tenth percent, XX%) Net sales 2016 ( 2017 ( 2018 ( Average total assets Net sales Return on sales % % %