Calculate the following four ratios for Starbucks and McDonalds for 2019 and 2020 -- Quick Ratio, Debt-to-Equity Ratio, Current Ratio, and Return-on-Investment. Why would these ratios be impacted by Starbucks if they were to expand into a new market? Describe how the decisions made by management, marketing, and operations functions of the company can impact, and hopefully improve, these financial ratios.