Required information The following information applies to the questions displayed below./ Westerville Company reported the following results from last year's operations: $ 1,400,000 680,eee 720, e Sales Variable expenses Contribution margin Fixed expenses Net operating income Average operating asse ALE $ $ 440, 280,eee 875,00 At the beginning of this year, the company has a $300,000 investment opportunity with the following cost an characteristics: Sales Contribution margin ratio Fixed expenses $ 480,000 80% of sales $ 336,000 The company's minimum required rate of return is 15%. Required: 1. What is last year's margin? Margin % 2. What is last year's turnover?( Turnover 3. What is last year's return on investment (ROI)? ROL 4. What is the margin related to this year's investment opportunity? Margin 5. What is the turnover related to this year's investment opportunity? Turnover 6. What is the ROI related to this year's investment opportunity? ROI 11. What is last year's residual income? Residual income 12. What is the residual income of this year's investment opportunity? Residual income