Required: a. Firm D has net income of $24,400, sales of $930,000, and average total assets of $545,000. Calculate the firm's margin, turnover, and ROI. b. Firm E has net income of $79,000, sales of $1,100,000, and ROI of 14%. Calculate the firm's turnover and average total assets. c. Firm F has ROI of 12.60%, average total assets of $1,759,800, and turnover of 1.80. Calculate the firm's sales, margin, and net income. Complete this question by entering your answers in the tabs below. Required A Required B Required C Firm E has net income of $79,000, sales of $1,100,000, and ROI of 14%. Calculate the firm's turnover and average total assets. (Do not round intermediate calculations. Round "Turnover" answer to 1 decimal place.) Turnover Average total assets