Belmain Co. expects to maintain the same inventories at the end of 20Y7 as at the beginning of the year. The total of all production costs for the year is there 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: Belmain Co. Estimated Income Statement For the Year Ended December 31, 20 Y7 Line Item Description Amount Amount Amount Cost of goods sold: Direct materials Direct labor Factory overhead Total cost of goods sold Gross profit Expenses: Selling expenses: Sales salaries and commissions Advertising Travel Miscellaneous selling expense Total selling expenses Administrative expenses: Office and officers' salaries Supplies Miscellaneous administrative expense Total administrative expenses Total expenses Operating income 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 $ 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.)