Head-First Company plans to sell 5,000 bicycle helmets at $75 each in the coming year. Unit variable cost is $45 (includes direct materials, direct labor, variable factory overhead, and vari- able selling expense). Total fixed cost equals $49,500 (includes fixed factory overhead and fixed E 5 Brief Exercise 7-22 Degree of Operating Leverage ble 7.10 selling and administrative expense). Operating income at 5,000 units sold is $100,500. Required: Calculate the degree of operating leverage. (Note: Round answer to the nearest tenth.) = 5Brief Exercise 7-23 Impact of Increased Sales on Operating Income Using the e 7.11 Degree of Operating Leverage Head-First Company had planned to sell 5,000 bicycle helmets at $75 each in the coming year. Unit variable cost is $45 (includes direct materials, direct labor, variable factory overhead, and variable selling expense). Total fixed cost equals $49,500 (includes fixed factory overhead and fixed selling and administrative expense). Operating income at 5,000 units sold is $100,500. The degree of operating leverage is 1.5. Now Head-First expects to increase sales by 10% next year. Required: 1. Calculate the percent change in operating income expected. 2. Calculate the operating income expected next year using the percent change in operating income calculated in Requirement 1