Required information (The following information applies to the questions displayed below. Westerville Company reported the following results from last year's operations: $ 1,500,000 530,000 Sales Variable expenses Contribution margin Fixed expenses 970,000 670,000 Net operating income $ 300,000 Average operating assets $ 937,500 This year, the company has a $212,500 investment opportunity with the following cost and revenue characteristics: Sales Contribution margin ratio Fixed expenses $340,000 70 % of sales $ 187,000 The company's minimum required rate of return is 10%. 3. What is last year's return on investment (ROI)? ROI % 10-a. If Westerville's chief executive officer will earn a bonus only if her ROI from this year exceeds her ROI from last year, would she pursue the investment opportunity? Yes 10-b. Would the owners of the company want her to pursue the investment opportunity? O Yes O No