es Assets Cash Accounts receivable Inventory Joel de Paris, Inc. Balance Sheet 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 Sales Joel de Paris, Inc. Income Statement Operating expenses Net operating income Interest and taxes: Interest expense Tax expense Net income $ 4,180,000 3,678,400 501,600 $ 115,000 205,000 320,000 $ 181,600 Beginning Balance Ending Balance $ 128,000 $ 128,000 340,000 562,000 850,000 404,000 247,000 480,000 489,000 823,000 426,000 246,000 $ 2,531,000 $2,592,000 $ 378,000 1,012,000 1,141,000 $2,531,000 $ 348,000 1,012,000 1,232,000 $ 2,592,000 The company paid dividends of $90,600 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.)