At Sam’s Swimming Pool Cleaning, Sam charges each of his 85 customers $25 per week for 52 weeks of service every year. Since pool cleaning is a service, it has no cost other than labor and supplies, which cost Sam $48,000 each year. Calculate Sam’s annual gross profit. a. $2,125 b. $4,420 c. $62,500 d. $110,500 Please select the best answer from the choices provided