Head$-$First Company plans to sell $5,000$ bicycle helmets at $$75$ each in the coming year. Unit variable cost is $$55($includes direct materials, direct labor, variable factory overhead, and variable selling expense$).$ Total fixed cost equals $$49,500($includes fixed factory overhead and fixed selling and administrative expense$).$ Operating income at $5,000$ units sold is $$50,500.$

Required:

Calculate the degree of operating leverage. $($Round your answer to the nearest tenth.$)$

fill in the blank $1$