Answer:
. increase by 25% increase
Step-by-step explanation:
The degree of operating leverage (DOL) measures the sensitivity of a company's operating income or profits to changes in the demand
DOL = percentage change in operating income or profits / percentage change in units sold
2.5 = percentage change in operating income / 10%
percentage change in operating income = 10% x 2.5 = 25%
profits will increase by 25%