Problem 10-15 Return on Investment (ROI) and Residual Income Financial data for Joel de Paris, Inc., for last year follow: Joel de Paris, Inc. Balance Sheet Beginning Ending Balance Balance Assets Cash $ 139,000 $ 136,000 Accounts receivable 345,000 475,000 Inventory 575,000 489,000 Plant and equipment, net 821,000 820,000 Investment in Buisson, S.A. 405,000 426,000 Land (undeveloped) 253,000 253,000 Total assets $2,538,000 $2,599,000 Liabilities and Stockholders' Equity Accounts payable $ 386,000 $ 338,000 Long-term debt 1,024,000 1,024,000 Stockholders' equity 1,128,000 1,237,000 Total liabilities and stockholders' equity$2,538,000 $2,599,000 Joel de Paris, Inc. Income Statement Sales $5,320,000 Operating expenses 4,468,800 Net operating income 851,200 Interest and taxes: Interest expense $121,000 Tax expense 191,000 312,000 Net income $ 539,200 The company paid dividends of $430,200 last year. The "Investment in Buisson, S.A.," on the balance sheet represents an investment in the stock of another company. The company's minimum required rate of return of 15%. Required: 1. Compute the company's average operating assets for last year. 2. Compute the company's margin, turnover, and return on investment (ROI) for last year. (Do not round intermediate calculations and round your final answers to 2 decimal places.) 3. What was the company's residual income last year