only questions 7 and on are the ones i need help on

from last year's operations: 4 Sales Variable expenses Contribution margin Fixed expenses Net operating income Average operating assets S 1,500,000 650,000 850,000 580,000 $ 270,000 S 1,000,000 At the beginning of this year, the company has a $160,000 investment opportunity with the following cost and revenue characteristics: Sales Contribution margin ratio Fixed expenses $ 240,000 70 $ 144,000 % of sales 4. The company's minimum required rate of return is 10%. 1. What is last year's margin? 2. What is last year's turnover? (Round your answer to 1 decimal place.) 3. What is last year's return on investment (ROI)? What is the margin related to this year's investment opportunity? 5. What is the turnover related to this year's investment opportunity? (Round your answer to 1 decimal place.) 6. What is the ROI related to this year's investment opportunity? 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.1234 should be entered as 12.3)) 8. If the company pursues the investment opportunity and otherwise performs the same as last year, what turnover will it earn this year? (Round your answer to 2 decimal places.) 9. If the company pursues the investment opportunity and otherwise performs the same as last year, what ROI will it earn this year? (Round your percentage answer to 1 decimal place (i.e., 0.1234 should be considered as 12.3%.)) 11. What is last year's residual income? 12. What is the residual income of this year's investment opportunity? 13. If the company pursues the investment opportunity and otherwise performs the same as last year, what residual income will it earn this year