See Table 2.5 showing financial statement data and stock price data for Mydeco Corp. a. How did Mydeco's book debt-equity ratio change from 2015 to 2019 ? b. How did Mydeco's market debt-equity ratio change from 2015 to 2019 ? c. Compute Mydeco's debt-to-enterprise value ratio to assess how the fraction of its business that is debt financed has changed over the period. 2015-2019 Financial Statement Data and Stock Price Data for Mydeco Corp. (All data as of fiscal year end; in \$ millions)