Bendel Inc. has an operating leverage of 5.3. If the company's sales increase by 11%, its net operating income should increase by about: Multiple Choice 58.3% 2.1% 11.0% 45.7% Alpha Corporation reported the following data for its most recent year: sales, $620,000; variable expenses, $248,000; and fixed expenses, $310,000. The company's degree of operating leverage is closest to: Multiple Choice 10.00 1.00 6.00 1.70 A cement manufacturer has supplied the following data: Tons of cement produced and sold Sales revenue Variable manufacturing expense Fixed manufacturing expense Variable selling and administrative expense Fixed selling and administrative expense Net operating income 235,000 $939,000 $255,000 $289,000 $120,600 $ 85,000 $189,400 The company's contribution margin ratio is closest to: Multiple Choice 42.1% 60.0% 69.2% 20.2%