A woman, with her employer's matching program, contributes $500 at the end of each month to her retirement account, which earns 8% interest, compounded monthly. When she retires after 45 years, she plans to make monthly withdrawals for 33 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 approximately $11942.65 (Simplify your answer. Round to the nearest cent as needed.)