Tech Supplies Company, Incorporated, is a leading retailer specializing in consumer electronics. A condensed income statement and balance sheet for the fiscal year ended February 1, 2020, are shown below. Current assets: Tech Supplies Company, Incorporated Balance Sheet At February 1, 2020 ($ in millions) Assets Cash and cash equivalents Accounts receivable (net) Inventory Other current assets Total current assets Long-term assets Total assets $ 2,056 1,202 5,059 408 8,725 3,673 $ 12,398 Liabilities and Shareholders' Equity Current liabilities: Accounts payable Other current liabilities Total current liabilities Long-term liabilities Shareholders' equity Total liabilities and shareholders' equity Revenues Tech Supplies Company, Incorporated Income Statement For the Year Ended February 1, 2020 ($ in millions) Costs and expenses Other income (expense)* $ 39,568 38,161 1,407 Operating income (73) Income before income taxes 1,334 623 $ 711 Income tax expense Net income *Includes $152 of interest expense. $ 4,850 3,275 8,125 2,232 2,041 $ 12,398 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, 2020.