Required information The Foundational 15 [LO11-1, LO11-2] The tollowing 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 $ 1,500,000 730,000 770,000 470,000 $ 300,000 Net operating income Average operating assets937,500 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 | ne company's minimum required rate of return is 10%