Staley Co. manufactures computer monitors The following is a summary of its basic cost and revenue data Per Unit $480 Percent 100 65 35 Sales price Variable costs Unit contribution margin Assume that Staley Co. is currently selling 600 computer monitors per month and monthly fioxed costs are $80,000 S168 What is Staley Co's degree of operating leverage (DOL) at this sales volume (i.e, at 600 units)? (Round your answer to three decimal places) O 5.118 O 4.405 O 5630 O 5000 O 4846