You are considering membership in the CU Fitness Gym Club. The annual membership fee for the coming year is $5,000 but you can make a single payment of $12,750 which will provide you with membership for the next three years. Suppose that the annual fee is payable at the end of each year and is expected to increase by 6% a year. The discount rate is 10%. Which is the better deal? Explain, and show your calculations