Question 9 (5 points) The Beaker Division recorded operating data as follows for the past year: Sales Operating income Average operating assets Shareholders' equity Residual income Required: 1. Calculate the margin. (1 mark) 2. Calculate the turnover. (1 mark) $200,000 $25,000 $100,000 $80,000 $13,000 3. Calculate the return on investment. (1 mark) 4. For the past year, what was the minimum required rate of return? (2 marks)