Pat Used to Work as an Aerobics Instructor at the Local

Pat used to work as an aerobics instructor at the local gym earning $35,000 a year. Pat quit that job and started working as a personal trainer. Pat makes $50,000 in total annual revenue. Pat's only out-of-pocket costs are $12,000 per year for rent and utilities, $1,000 per year for advertising and $3,000 per year for equipment. For Pat to earn normal profit, Pat's accounting profit would have to be ________.

A) $50,000
B) $35,000
C) $15,000
D) $0