Scenario 13-10 Jessica Makes Photo Frames. She Spends $5 on the Materials

Scenario 13-10
Jessica makes photo frames. She spends $5 on the materials for each photo frame. She can create one photo frame in an hour. She earns $10 per hour at a part-time job at the local coffee shop. She can sell a photo frame for $30 each.
-Refer to Scenario 13-10. An economist would calculate the total profit for one photo frame to be

A) $10.
B) $15.
C) $20.
D) $25.