6. (12 pts) $6000 is deposited into an account earning 8% annual effective interest on December 31, 1984. Deposits continue on this date every year, but the deposits increase by $500 each year. On January 1, 2015, the deposits stop and money in the account begins to be withdrawn continuously at a constant rate of $X per year. The account is empty at the end of 30 years. Determine X. Show all work