o. Firm D has net income of $8 1,500,000, and average total assets of Calculate the firm's margin, turnover, and ROI. b. Firm E has net income of $141,000, sales of $2.350,000, and ROI of 10.8%. Calculate the firm's turnover and average total assets. C. Firm F has ROI of 12.60%, average total assets of $1,550,200, and turnover of 1.60. Calculate the firm's sales, margin, and net income