The sales and cost data for two companies in the transportation industry are as follows: Y Company Amount Percent $140,000 100.00 42,000 30.00 X Company Amount Percent $140,000 100.00 84,000 60.00 56,000 40.00 36,500 Sales Variable costs Contribution margin Fixed costs Operating income (TIB) 70.00 98,000 72,550 $ 19,500 $ 25,450 X Company's degree of operating leverage (DOL) at the current sales volume level is calculated to be: Multiple Choice 2.87 4.00 6.00 5.00 2.00