Problem
I. Firm A has a margin of 11%, sales of $540,000, and ROI of 17%. Calculate the firm's average total assets.
II. Firm B has net income of $74,000, asset turnover of 1.30, and average total assets of $880,000. Calculate the firm's sales, margin, and ROI.
III. Firm C has net income of $134,000, asset turnover of 2.01, and ROI of 23.60%. Calculate the firm's margin, sales, and average total assets.