You received ! 15 Required Information The Foundational 15 [LO10-1, LO10-2] [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 Average operating assets $ 1,eee, eee 3ee, eee 7ee, eee See, eee $ 2ee, eee $ 625, eee ces At the beginning of this year, the company has a $120,000 investment opportunity with following cost and revenue characteristics: Sales Contribution margin ratio Fixed expenses $ 200,000 60% of sales $ 90, eee The company's minimum required rate of retum is 15%. Foundational 10-1 Required: 1. What is last year's margin