See Table 2.5 showing financial statement data and stock price data for Mydeco Corp. a. Compute Mydeco's ROE each year from 2015 to 2019. b. Compute Mydeco's ROA each year from2015 to 2019 . c. Which return is more volatile? Why? a. Compute Mydeco's PE ratio each year from 2015 to 2019. Calculate the ROE for 2015-2019 below: (Round dollar amounts to one decimal place and ROE to two decimal places.)