A woman, with her employer's matching program, contributes $500 at the end of each month to her retirement account, which earns 5% interest, compounded monthly. When she retires after 48 years, she plans to make monthly withdrawals for 28 years. If her account earns 4% interest, compounded monthly, then when she retires, what is her maximum possible monthly withdrawal (without running out of money)? The maximum possible monthly withdrawal is approximatelys. (Simplify your answer. Round to the nearest cent as needed.)