7. Using the original information for unit variable expense of (.70+.10) and monthly fixed costs $6,000, complete the Contribution margin income statement for the 4 scenarios where unit selling price and units to be sold varies (Show your work): Scenario 1 Scenario 2 Scenario 3 Scenario 4 Unit selling price $4.50 $3.75 2.50 2.00 Units to sell 1,200 2,500 4,500 6,800 Sales -Variable expense =contribution margin -Fixed expense = Net Income Which of the above four scenarios (or the original scenario) is the best scenario and why? Give a comprehensive