Numerical problem

Show all your work. Your uncle has $$260,000$ invested at $7\mathrm{.}5\%,$ and he now wants to retire. He wants to withdraw $$30,000$ at the end of each year, starting at the end of this year. He also wants to have $$25,000$ left to give you when he ceases to withdraw funds from the account. For how many years can he make the $$30,000$ withdrawals and still have $$25,000$ left in the end?