Help Schister Systems uses the following data in its Cost-Volume-Profit analyses: Sales Variable expenses Contribution margin Fixed expenses Net operating income Total $310,000 500 139,500 102,000 $ 37,500 What is total contribution margin if sales volume increases by 30%? Multiple Choice $139,500 $48,750 $181,350 $26,250 Next > 7 of 20 !!! Next >