Homework question: Crane Monograms sells stadium blankets that have been monogrammed with high school and university emblems. The blankets retail for $50 throughout the country to loyal alumni of over 2,900 schools. Cranes variable costs are 41% of sales; fixed costs are $118,000 per month.

Question: Crane currently sells 143,000 blankets per year. If sales volume were to increase by 17%, by how much would operating income increase?