Required information The following information applies to the questions displayed below.] Westerville Company reported the following results from last year's operations Sales Variable expenses Contribution margin Fixed expenses Net operating income Average operating assets 937,500 $ 1,500,000 730,000 770,000 470,000 $ 300,000 At the beginning of this year, the company has a $362,500 investment opportunity with the following cost and revenue characteristics Sales Contribution margin ratio Fixed expenses $ 580,000 70 % of sales 319,000 The company's minimum required rate of return is 10%