Financial data for Joel de Paris, Inc., for last year follow: Joel de Paris, Inc. Balance Sheet Beginning Balance Ending Balance Assets Cash Accounts receivable Inventory Plant and equipment, net Investment in Buisson, S.A. Land (undeveloped Total assets Liabilities and Stockholders' Equity Accounts payable Long-term debt Stockholders' equity Total liabilities and stockholders' equity $ 128,000 339,000 563,000 810,000 405,000 248,000 $ 2,493,000 $ 132,000 477,000 472,000 799,000 431,000 246,000 $ 2,557,000 $ 372,000 1,014,000 1, 107,000 $ 2,493,000 $ 346,000 1,014,000 1, 197,000 $2,557,000 Joel de Paris, Inc. Income Statement Sales Operating expenses Net operating income Interest and taxes: Interest expense $ 117,000 Tax expense 190,000 Net income $5,022,000 4,218,480 803,520 307,000 $ 496,520 The company paid dividends of $406,520 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 (RON for last year. (Round "Margin", "Turnover" and "ROI" to 2 decimal places.) 3. What was the company's residual income last year