TB MC Qu. 03-35 Spartan Systems reported total sales... ATCH Spartan Systems reported total sales of $377,200, at a price of $23 and per unit variable expenses of $12, for the sales of their single product $377,200 196,800 180,400 120,000 $60,400 S 23 Sales Varlable expenses Contribution margin Fixed expenses Net operating Income $ 11 what is the amount of contribution margin if sales volume increases by 25%? O $20.500 O $16.400 O s225.500 O $180.400 References