Spartan Systems reported total sales of $370,000, at a price of $25 and per unit variable expenses of $16, for the sales of their single product Unit $370,000 $25 236,80016 Total Sales Variable expenses Contribution margin 133,200 $9 Fixed expenses 107000 Net operating income $26,200 what is the amount of contribution margin if sales volume increases by 20%? (Round your intermediate calculations to 2 decimal places and your final answer to the nearest whole number) O $150750 O $52.500 O $159.840o O $35,000