Ne - Yo borrowed $ 500,000 to build a recording studio in his home. The total amount of the debt along with 8% annual interest must be repaid in 15 years. He decides to invest in a debt sinking fund that will be used to retire the debt. The fund earns 10% interest and requires him to pay an equal amount each year (end of each year) starting in year five and lasting through maturity. Interest is compounded annually. What amount must Ne-Yo contribute each year in order to successfully retire the debt in 15 years?