a. Firm D has net income of $76,000, sales of $1,300,000, and average total assets of $844,000. Calculate the firm's margin, Required: b. Firm E has net income of $161,000, sales of $2,300,000, and ROI of 14%. Calculate the firm's turnover and average total turnover, and ROI. c. Firm F has ROl of 12.60%, average total assets of $1,801,100, and turnover of 1.20 . Calculate the firm's sales, margin, and net assets. income. Complete this question by entering your answers in the tabs below. Firm F has ROI of 12.60%, average total assets of $1,801,100, and turnover of 1.20 . Calculate the firm's sales, margin, and net income. Note: Do not round intermediate calculations. Round "Margin" answer to 1 decimal place