Klein Company distributes a high-quality bird feeder that sells for $20 per unit. Variable costs are $8 per unit, and fixed costs total $186,000 annually. 4. Assume that the operating results for last year were as follows: Sales Variable expenses $400,000 121,800 Contribution margin Fixed expenses 279,880 186,000 Operating income $ 93,000 a. Compute the degree of operating leverage at the current level of sales. Degree of operating leverage b. The president expects sales to increase by 11% next year. By how much should operating income increase? Operating income increases by 5-a. Refer to the original data. Assume that the company sold 29,500 units last year. The sales manager is convinced that a 11% reduction in the selling price, combined with a $66.000 increase in advertising expenditures, would cause annual sales in units to increase by 40%. Prepare two contribution format income statements, one showing the results of last year's operations and one showing what the results of operations would be if these changes were made. (Round "Per Unit" answers to 2 decimal places.) KLEIN COMPANY Contribution Margin Income Statement Last Year 29,500 units Total Per Unit Proposed units Total Per Unit 0 0.00 0 0.00 0 S 6. Refer to the original data. Assume again that the company sold 29,500 units last year. The president feels that it would be unwise to change the selling price. Instead, he wants to increase the sales commission by $2 per unit. He thinks that this move, combined with some increase in advertising, would increase annual unit sales by 50%. By how much could advertising be increased with profits remaining unchanged? Do not prepare an income statement; use the incremental analysis approach. The amount by which advertising can be increased is 1