Revenues Income Statement For the Year Ended February 1, 2020 Costs and expenses Operating income ($ in millions) $ 39,588 38,165 1,423 Other income (expense)* (77) Income before income taxes 1,346 Income tax expense 683 $ 663 Net income *Includes $188 of interest expense. Required: 1-a. Calculate the current ratio for Tech Supplies for its fiscal year ended February 1, 2020. 1-b. Calculate the acid-test ratio for Tech Supplies for its fiscal year ended February 1, 2020. 1-c. Calculate the debt to equity ratio for Tech Supplies for its fiscal year ended February 1, 2020. 1-d. Calculate the times interest earned ratio for Tech Supplies for its fiscal year ended February 1, 20 Note: For all requirements, rou