Westerville Company reported the following results from last year's operations Sales Variable expenses Contribution margin Fixed expenses Net operating income Average operating assets 875,000 $ 1,400,000 720,000 680,000 470,000 $ 210,000 At the beginning of this year, the company has a $350,000 investment opportunity with the following cost and revenue characteristics $ 560,000 Sales Contribution margin ratio Fixed expenses 70% of saes $ 336,000 The company's minimum required rate of return is 15% 7. If the company pursues the investment opportunity and otherwise performs the same as last year, what margin will it earn this year? (Round your percentage answer to 1 decimal place (i.e., 0.1234 should be entered as 12.3).) Margin