Foundational [LO11-1, LO11-21 IThe following information applies to the questions displayed below.j Westerville Company reported the following results from last year's operations: $1,400,000 Sales 680,000 Variable expenses 720,000 Contribution margin 440,000 Fixed expenses 280,000 Net operating income 875,000 Average operating assets This year, the company has a $300,000 investment opportunity with the following cost and revenue characteristics: $480,000 Sales Contribution margin ratio 80% of sales $336,000 Fixed expenses The company's minimum required rate of return is 15%