Net sales, net income, and total assets for Peppermint Spark Inc. for a five-year period follow: (in thousands) Net sales Net income Total assets 2020 2019 2018 2017 2016 $ 901 $ 398 S 351 $ 313 $ 292 51 40 47 38 26 306 272 256 228 207 1. Compute trend percentages for each item for 2017 through 2020. Use 2016 as the base year, and round to the nearest percent. 2. Compute the return on net sales for 2018 through 2020, rounding to three decimal places. Explain what this means. 3. Compute asset turnover for 2018 through 2020. Explain what this means. 4. Compute return on average total assets (ROA) for 2018 through 2020. 5. How does Peppermint Spark's return on net sales for 2020 compare with previous years? How does it compare with that of the industry? In the shipping industry, rates above 5% are considered good, and rates above 7% are outstanding. 6. Evaluate Peppermint Spark Inc.'s ROA for 2020, compared with previous years, and against a 15% benchmark for the industry