Answer:
• Degree of operating leverage = $2
• Expected Percent change in income = 20%
Step-by-step explanation:
Details provided from the question includes ;
Total contribution margin = $80,200
Pretax net income = $40,100
Expected increase in sales value = 10%
Therefore;
Degree of operating leverage
= Contribution margin ÷ Net operating income
= $80,200 ÷ $40,100
= $2
Percent change income
= Percentage increase in sales × Degree of operating leverage
= 10% × 2
= 20%