ront Margin, Investment Turnover, and ROI Briggs Company has operating income of $18,120, invested assets of $151,000, and sales of $302,000, Use the DuPont formula to compute the retum on nvestment. If required, round your answers to two decimal places. Ferdbad Tock Wy whe a. Divide income from operations by sales, b. Divide sales by imested assets. c. Multiply (a) and (b), or divide income from operations by invested assets