The sales and cost data for two companies in the transportation industry are as follows: Sales Variable costs Contribution margin Fixed costs Operating income (TTB) X Company Amount Percent $130,000 100.00 78,000 60:00 52,000 40.00 36,250 Y Company Amount Percent $130,000 100.00 39,000 30.00 91,000 70.00 72,300 $ 15,750 $ 18,700 X Company's degree of operating leverage (DOL) at the current sales volume level is calculated to be: Multiple Choice O 2.00 O 4.00 O 5.00 O 330 6.00