Staley Co. manufactures computer monitors. The following is a summary of its basic cost and revenue data: Sales price Variable costs Unit contribution margin Per Unit $600 372 $228 Percent 100.00 62.00 38.00 Assume that Staley Co. is currently selling 720 computer monitors per month and monthly fixed costs are $90,200. What is Staley Co's degree of operating leverage (DOL) at this sales volume (l.e., at 720 units)? (Round your answer to three decimal places.) Multiple Choice 1.779 3.004 2.220. 2.492. 2.374