Raner, Harris and Chan is a consulting firm that specializes in information systems for medical and dental clinics. The firm has two officesone in Chicago and one in Minneapolis. The firm classifies the direct costs of consulting jobs as variable costs. A contribution format segmented income statement for the companys most recent year is given:
Total Company Office
Chicago Minneapolis
Sales $ $ $
Variable expenses
Contribution margin
Traceable fixed expenses
Office segment margin $ $
Common fixed expenses not traceable to offices
Net operating income $
By how much would the companys net operating income increase if Minneapolis increased its sales by $ per year? Assume no change in cost behavior patterns.