Answer:
1. Operating leverage = Contribution margin / Net income
Beck Inc.
Operating leverage = $500,000 / $100,000
Operating leverage = 5
Bryant Inc.
Operating leverage = $750,000 / $300,000
Operating leverage = 2.5
2. Income from operations increase = Increase in sales * Degree of operating leverage
Dollar increase = Net income * Percentage
Beck Inc.
Percentage = 5*20 = 100% (Income from operations increase)
Dollar increase = $100,000 * 100% = $100,000
Bryant Inc.
Percentage = 2.5*20 = 50% (Income from operations increase)
Dollar increase = $300,000 * 50% = $150,000