a.) Compute the return on equity ratio for Coke and Pepsi for 2020. Which Company earned the higher return for its shareholders? Does that surprise you and why? b.) Compute the debt-to-equity ratio for each company as of December 31, 2020. Which company relies more on creditor financing? c.) For each company, compute net income as a percentage of revenue in 2020. d.) For each company, calculate working capital and current ratio for 2020 and 2019. How did they change from 2019 to 2020 (improve or worsen)? What may have caused those changes provide detailed explanation?