The following information applies to the questions displayed below Westerville Company reported the following results from last year's operations: Salos $1,400,000 Varlable expenses 680,000 Contribution margin 720,000 Fixed expenses Net operating Income Average operating assets 440,000 $ 280,000 $ 875,000 This year, the company has a $300,000 Investment opportunity with the following cost and revenue characterlstics Sals Contribution margin ratio Fixed expenses $480,000 80 % of sales $336,000 The company's minimum required rate of return is 15%