Jaclyn has shopped around for a safe investment account earning 3.9% interest, which compounds monthly, because she just received a re-enlistment bonus from the Navy for $50,000 (she has a tough job in Nuclear Power). Her plan is to invest the entire $50,000 in the account and leave it there for the next 35 years, at which time she will begin making monthly withdrawals for 30 years. What will her monthly retirement withdrawals be?