Find the final amount in the following retirement account, in which the rate of retum on the account and the regular contribution change over time. $404 per month invested at 4%, compounded monthly, for 3 years; then $707 per month invested at 6%, compounded monthly, for 3 years What is the amount in the account after 6 years? (Do not round until the final answer. Then found to the nearest dollar as needed)