IThe following information applies to the questions displayed below.j Westerville Company reported the following results from last year's operations: 1,750,000 Sales Variable expenses 520,000 1,230,000 Contribution margin Fixed expenses 880,000 350,000 Net operating income Average operating assets 875,000 This year, the company has a $200,000 investment opportunity with the following cost and revenue characteristics: $320,000 Sales 60% of sales Contribution margin ratio 128,000 Fixed expenses The company's minimum required rate of return is 20%