Find the final amount in the following retirement account, in which the rate of return on the account and the regular contribution change over time. $228 per month invested at 4%, compounded monthly, for 4 years; then $494 per month invested at 5%, compounded monthly, for 4 years. What is the amount in the account after 8 years? (Round to the nearest dollar as needed.)

Find the final amount in the following retirement account, in which the rate of return on the account and the regular contribution change over time. $228 per month invested at 4%, compounded monthly, for 4 years; then $494 per month invested at 5%, compounded monthly, for 4 years. What is the amount in the account after 8 years? (Round to the nearest dollar as needed.)