Ulrich Company sales are $1,200,000, cost of goods sold under absorption costing is $900,000, and total operating expenses are $180,000. If cost of goods sold is 60% variable and total operating expenses are 70% fixed, what is the contribution margin under variable costing?

Select one:

a. $606,000

b. $498,000

c. $594,000

d. $666,000

e. $534,000