The Foundational 15 (Algo) [LO10-1, LO10-2] [The following information applies to the questions displayed below.] Westerville Company reported the following results from last year's operations: At the beginning of this year, the company has a $137,500 investment opportunity with the following cost and revenue characteristics: The company's minimum required rate of retum is 20%. Foundational 10-4 (Algo) 4. What is the margin related to this year's investment opportunity