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