Required information The Foundational 15 [LO11-1, L011-2] 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 $ 1,400,000 680,000 720,000 440,000 $ 280,000 Average operating assets 875,000 At the beginning of this year, the company has a $300,000 investment opportunity with the following cost and revenue characteristics Sales Contribution margin ratio Fixed expenses $ 480,000 80 % of sales $ 336,000 The company's minimum required rate of return is 15%