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 1,900,000 550,000 1,350,000 875,000 $475,000 Average operating assets $, At the beginning of this year, the company has a $237,500 investment opportunity with the following cost and revenue characteristics: Sales Contribution margin ratio Fixed expenses $380,000 50% of sales 133,000 The company's minimum required rate of return is 10%. Foundational 11-4 4. What is the margin related to this year's investment opportunity