Contribution Margin, Break-Even Sales, Cost-Volume-Profit Chart, Margin of Safety, and Operating Leverage department heads were asked to submit estimates of the costs for their departments during the year. A summary report of these estimates is as follows: It is expected that 8,960 units will be sold at a price of $90 a unit. Maximum sales within the relevant range are 11,000 units. Required: 1. Prepare an estimated income statement for 20Y7. 2. What is the expected contribution margin ratio? Round to the nearest whole percent. % 3. Determine the break-even sales in units and dollars. Units units Dollars units 4. Construct a cost-volume-profit chart on your own paper. What is the break-even sales? $ 5. What is the expected margin of safety in dollars and as a percentage of sales? Dollars: $ Percentage: (Round to the nearest whole percent.) % 6. Determine the operating leverage. Round to one decimal place