Question 2: To measure profitability managers may use the following ratios: ROA, ROC, and ROE. Discuss 'these returns and what they measure. Do you believe these measures are sufficient to determine a firm's performance? Some may argue that Economic Value Added is an appropriate measure to determine the level of return that a firm should achieve before plowing back earnings. Use the table below to calculate Verizon's Economic Value Added, i.e., its return in excess of opportunity cost of capital. Explain what the EVA means and how a CFO could use the information to act accordingly. You will also be graded on business language fluency and the detail of your answer, so please be precise. Tahlo 14 f Fronomic Value Added, 2018 Sourve: Authors' calculations psing data frem frasoce.yahen com, March 25, 2019