(ROI) Carolina Classics has asked you to help its managers determine the ROI for the year just ended. You gather the following information: average assets invested, $1,200,000; revenues, $4,400,000; and expenses, $4,100,000.

a. Calculate return on investment.

b. Calculate profit margin.

c. Calculate asset turnover.

d. Using parts b and

c, prove your answer to part a.