A firm is expected to receive the following end of year cash flows over the next 15 years. $10,000 per year from Year 1 to Year 4. $6,000 per year from Year 5 to Year 7. $8,000 per year from Year 8 to Year 10. $6,000 per year from Year 11 to Year 13. $10,000 per year from Year 14 to Year 15. Assuming an annual interest rate of 8%, find the future value of the cash flows at the end of the 15th year.