could you just solve c and d for me and show the work so I could figure it out. thank you :)

NIKE, INC. Consolidated Statements of Income Year Ended May 31 (in millions) Revenues. Cost of sales. Gross profit. Demand creation expense Operating overhead expense. Total selling and administrative expense Interest expense (income), net. Other (income) expense, net Income before income taxes Income tax expense Net income NIKE, INC. Consolidated Balance Sheets May 31 (in millions) 2019 Assets Current assets Cash and equivalents . Short-term investments. . . . Accounts receivable, net. Inventories . Prepaid expenses and other current assets . Total current assets. Property, plant, and equipment, net. Identifiable intangible assets, net Goodwill . Deferred income taxes. Total assets. Liabilities and shareholders' equity Current liabilities Current portion of long-term debt Notes payable Accounts payable Accrued liabilities Income taxes payable. Total current liabilities. Long-tem debt. Deferred income taxes and other liabilities. Shareholders' equity Class A convertible 315 and 329 shares outstanding. Class B-1,253 and 1.272 shares outstanding. Caplal in excess of stated value Accumulated other comprehensive income foss) Retained earnings Total shareholders' equity Total liabilities and sharehoiders' equily Required a. Compute the current ratio and quick ratio for 2018 and 2019. Comment on any observed trends. b. Compute total liabilities-to-equity ratio and total debt-to-equity ratio for 2018 and 2019. Comment on any trends observed. c. Compute times interest earned ratio, cash from operations to total debt ratio, and free operating cash flow to total debt ratio for 2018 and 2019 . Financial statements included the following footnote: "Included in Interest expense (income), net was interest income related to the Company's investment portfolio of $82 million and $70 million for the years ended May 31, 2019 and 2018, respectively." Comment on any trends observed. d. Summarize findings in a conclusion about the company's credit risk. Are there any concerns about tie company's ability to meet its debt obligations