Bear Publishing sells a nature guide. The following information was reported for a typical month (sales volume is constant each month):
Total Per Unit
Sales $18,700 $17.0
Variable expenses 8,250 7.5
Contribution margin 10,450 $9.5
Fixed expenses 3,800
Net operating income $ 6,650
Bear is expecting a 31 cent increase in variable expenses. No other changes are expected or planned. How much contribution margin should Bear expect after the increase?