The following information applies to the questions displayed below. The following information Westerville Company reported the following results from last year's operations: $1,600,000 700,000 Sal Variable expenses Contribution margin 900,000 660,000 Fixed expenses Net operating income Average operating assets 240,000 $1,000,000 This year, the company has a $325,000 investment opportunity with the following cost and revenue characteristics $520,000 Sales Contribution margin ratio Fixed expenses 70 % of sales 312,000 The company's minimum required rate of return is 15%