Happy Pizza Restaurants, Inc., has both company-operated and franchised restaurant operations. It currently has 1,548 franchised restaurants and 615 company-operated restaurants. Its most recent year-end financial statements disclosed the following information (in millions) for both sectors: Using the given information, what is the return on investment (ROI) (rounded to one decimal place) for the company-operated restaurants? a. 1.9% b. 2.5% c. 13.6% d. 14.2%