i need help on finding answers 1-5

Financial data for Joel de Paris, Incorporated, for last year follow: The company paid dividends of $495,120 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 (RO) for last year. (Round "Margin", "Turnover" and "ROI" to 2 decimal places.) 3. What was the company's residual income last year