The contribution format income statement for Huerra Company for last year is given below: Total Unit Sales Variable expenses Contribution margin Fixed expenses Net operating income Income taxes @ 40% Net income $ 1,008,000 604,800 403,200 327,200 76,000 30,400 S 45,600 S 50.40 30.24 20.16 16.36 3.80 S 2.28 The company had average operating assets of $504,000 during the year. Required 1. Compute the company's return on investment (ROI) for the period using the ROl formula stated in terms of margin and turnover. (Round your intermediate calculations and final answer to 2 decimal places.) Margin Turnover ROI 7.54% 2.00 15.081%