Required: a. Firm A has a margin of 11%, sales of $590,000, and ROI of 18%. Calculate the firm's average total assets. b. Firm B has net income of $70,000, asset turnover of 1.50, and average total assets of $900,000. Calculate the firm's sales, margin, and ROI c. Firm C has net income of $134,000, asset turnover of 1.91, and ROI of 23.60% Calculate the firm's margin, sales, and average total assets. Complete this question by entering your answers in the tabs below. Required A Required B Required C Firm C has net income of $134,000, asset turnover of 1.91, and ROI of 23.60%. Calculate the firm's margin, sales, and average total assets. Note: Round "Margin" answer to 1 decimal place and use the rounded answer for the subsequent computations. onces Margin Sales Average total assets 12.4 %