For Mortenson Company, the following information is available:

Cost of goods sold $390,000
Dividend revenue 15,000
Income tax expense 36,000
Operating expenses 138,000
Sales revenue 600,000

In Mortenson's single-step income statement, gross profit:________

a. should not be reported.
b. should be reported at $51,000.
c. should be reported at $210,000
d. should be reported at $225,000