Financial data for Stirling, Inc., for last year are as follows: Stirling, Inc. Balance Sheet Beginning Balance Ending Balance Assets Cash $ 146,000 $ 143,000 Accounts receivable 355,000 499,000 Inventory 591,000 506,000 Plant and equipment, net 916,000 900,000 Investment in Brier Company 426,000 450,000 Land (undeveloped) 260,000 264,000 Total assets Liabilities and Stockholders' Equity Accounts payable Long-term debt Stockholders' equity $2,694,000 $2,762,000 $ 402,000 $ 360,000 1,023,000 1,269,000 1,023,000 1,379,000 Total liabilities and stockholders' $2,694,000 $2,762,000 equity Stirling, Inc. Income Statement Sales Operating expenses $5,684,000 4,895,520 Net operating income Interest and taxes: 788,480 $ Interest expense 151,000 Tax expense 220,000 371,000 Net income $ 417,480 The company paid dividends of $244,480 last year. The "Investment in Brier Company" on the balance sheet represents an investment in the stock of another company. Required: 1. Compute the company's margin, turnover, and return on investment (ROI) for last year. (Do not round intermediate calculations. Round your Turnover answer to 2 decimal places. Round your Margin and ROI percentage answers to 2 decimal places (i.e., 0.1234 should be entered as 12.34).) Margin Turnover ROI % % 2. The board of directors of Stirling, Inc., has set a minimum required return of 13%. What was the company's residual income last year? Residual income