Exercise 3−14 (Algo) ROI analysis using the DuPont model LO 3-3 Required: a. Firm D has net income of $29,300, sales of $1,000,000, and average total assets of $395,000. Calculate the firm's margin, turnover, and ROI. b. Firm E has net income of $76,000, sales of $1,050,000, and ROI of 17%. Calculate the firm's turnover and average total assets. c. Firm F has ROI of 12.60%, average total assets of $1,597,900, and turnover of 1.70. Calculate the firm's sales, margin, and net income. Complete this question by entering your answers in the tabs below. Firm D has net income of $29,300, sales of $1,000,000, and average total assets of $395,000. Calculate the firm's margin, turnover, and ROI. Note: Do not round intermediate calculations. Round your answers to 1 decimal place.