Ruin Company’s net sales for the period were $175,000.Its cost of goods sold was $85,000.What is this firm’s gross profit on sales?

Ruin Company’s net sales for the period were $175,000.Its cost of goods sold was $85,000.What is this firm’s gross profit on sales?
A) $175,000
B) $135,000
C) $125,000
D) $100,000
E) $90,000