Can someone help with this?

Sales Variable expenses Contribution margin Fixed expenses Net operating income Average operating assets $ 1,200, eee 32 , 880,000 64 , 240,000 $ 6e , At the beginning of this year, the company has a $150,000 investment opportunity with the following cost and revenue characteristics Sales Contribution margin ratio Fixed expenses $ 240,000 50% of sales $ 84,000 The company's minimum required rate of return is 15% Required: 1. What is last year's margin? Margin 2. What is last year's turnover? (Round your answer to 1 decimal place.) Turnover 3. What is last year's return on investment (ROI)? (Round your intermediate calculations to 1 decimal ROI % 4. What is the margin related to this year's investment opportunity? Margin % w