Your local travel agent is advertising an upscale summer vacation package for travel three years from now to Alaska. The package requires that you pay $15,000 today, $10,000 one year from today, $5,000 two years from today, and a final payment of $5,000 on the day you depart three years from today. What is the cost of this vacation in today's dollars if the discount rate is 7.5 percent? Select one: O a. $38,225 O b. $32,654 C. $35,000 d. $25,508 e. $30,282