NEED HELP ASAPP!!!

You are planning to save for retirement over the next 20 years. To do this, you will invest $900 a month in a stock account and $600 a month in a bond account. The return of the stock account is expected to be 14.0 percent, and the bond account will pay 5.0 percent. When you retire, you will combine your money into an account with an 13 percent return. How much can you withdraw each month from your account, assuming a 15-year withdrawal period? (Do not round intermediate calculations. Round the answer to 2 decimal places. Omit $ sign in your response.) Withdrawal amount per month