Joan borrowed $17,000.00 to buy a car. She repaid $4500.00 three months later and $7700.00 nine months later. After twelve months, she borrowed an additional $5500.00, and repaid $4900.00 after 16 months. She paid the entire balance, including the interest, after 24 months. Interest was 5% compounded monthly for the first year and 5.4% compounded monthly for the remaining time. What was the size of the final payment? The final payment is s (Round the final answer to the nearest cent as needed. Round all intermodiate values to six decimal places as needed.)