In 2018, expected inflation exceeded inflation. In 2019, inflation exceeded expected inflation. Therefore the real interest rate was than the expected real interest rate in 2018 and the real interest rate was than the expected real interest rate in 2019

Spartan systems reported total sales of $500,000, at a price of $20 and per unit variable expenses of $13, for the sales of their single product. total per unit sales $500,000 $20 variable expenses 325,000 13 contribution margin 175,000 $7 fixed expenses 120,000 net operating income $55,000 what is the amount of contribution margin if sales volume increases by 30%?