Required: a. Firm D has net income of $80,000, sales of $1,450,000, and average total assets of $794,000. Calculate the firm's margin, turnover, and ROL. b. Firm E has net income of $176,000, sales of $2,200,000, and ROI of 12.8%. Calculate the firm's turnover and average total assets, c. Firm F has ROl of 12.60%, average total assets of $1,734,300, and turnover of 1,20 . 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 $80,000, sales of $1,450,000, and average total assets of $794,000. Calculate the firm's margin, turnover, and ROI. Note: Do not round intermediate calculations. Round your answers to 1 decimal place