Response to the following :
ROI analysis using the DuPont model
a. Firm D has net income of $66,640, sales of $2,380,000, and average total assets of $680,000. Calculate the firm's margin, turnover, and ROI.
b. Firm E has net income of $300,000, sales of $5,000,000, and ROI of 12%. Calculate the firm's turnover and average total assets.
c. Firm F has ROI of 17.4%, average total assets of $2,700,000, and turnover of 1.2. Calculate the firm's sales, margin, and net income. Round your answers to the nearest whole numbers.