this is all one please help

Contribution Margin, Break-Even Sales, Cost-Volume-Profit Chart, Margin of Safety, and Operating Leverage Belmain Co. expects to maintain the same imventories at the end of 20Y7 as at the beginning of the year. The total of all production costs for the year is therefore assumed to be equal to the cost of goods sold. With this in mind, the various 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: trange are 9,000 units. Required: Cost of goods sold: Direct materias Direct labor Factory overhead o Cost of goods soid Gross profit Expenses: Selting expenses: Sales salaries and commissions Advertising Iravel Miscellaneous selling expense Total selling expenses Administrative expenses: Office and officers' solaries Gupplies Miscellaneous administrative expense Total administrative expenses 2. What is the expected contribution margin ratio? Round to the nearest whole percent. % 3. Determine the break-even sales in units and dollars. 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