clearly include formulas please

Required: a. Fim D has net income of $66,000, sales of $1,300,000, and average total assets of $818,000. Calculate the firm's margin, turnover, and ROL. b. Firm E has net income of $141,000, sales of $2,350,000, ond ROI of 10.8%. Calculate the firmis turnover and average total assets. c. Firm F has ROI of 12,60%, average total assets of $1,500,800, and turnover of 1,40 . Calculate the firm's sales, margin, and net income. Answer is not complete. Complete this question by entering your answers in the tabs below. Fimn E has net incomie of $141,000, sales of $2,350,000, and 40t of 31%, Calculate the firm't tumover and average total assets. Note: Do not round incermodate calculations. Round "Turnover" answer to 1 decimal place