Please help, step by step if possible. Thank you!

Dell Technologies reported the following data for 2018 and 2019 (in millions): Inventory February 3, 2017 $2.538 February 2, 2018 2,678 February 1, 2019 3,649 Cost of products sold Year ended February 2, 2018 5 51.433 Year ended February 1, 2019 57.889 Gross margin Year ended February 2, 2018 59.818 "Year ended February 1, 2019 13,398 Note: Enter answers for both ratios as a number (example: 1.75). Do not round until your final answers. Round all calculations to two (a) Calculate the inventory turnover ratio for the years ended in February 2018 and February 2019. 2018 times 2019 times (b) Calculate the gross margin return on inventory investment for the years ended in February 2018 and February 2019 2018 2019