Find the present value (at n=0 ) of the following series of cash flows, with an interest rate of 9%. End of Year (EOY) 1: 0 EOY 2: 2,500 EOY 3:5,000 EOY 4: 7,500 EOY 5: 10,000 EOY 6: 12,500 Round your answer to the nearest integer, and enter your answer without a comma. For example, if your answer is 12,345, enter "12345" (without the quotes).