Your local travel agent is advertising an upscale winter vacation package for travel three years from now to Antarctica. The package requires that you pay $15944 today, $12933 one year from today, and a final payment of $24039 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 4 %? (Round answer to 2 decimal places. Do not round intermediate calculations).