I have wrong answers except the margin

6o inat de. Paris, Incorporated, for last year follow. The company paid dividends of $15,000 last year. The "Investment in Buisson, S.A." on the balance sheet represents an investment int the stock of another company. The company's minimum requlred 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 (RO) for last year. (Round "Turnover" to 1 decimal place.) 3. What was the company's residual income last year