Question

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. $640 per month invested at 4 %, compounded monthly, for 7 years; then $784 per month invested at 7 %, compounded monthly, for 7 years. Find the amount in the account after 14 years.

Name: 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 640 per month invested at 4 compounded mont 65152
Uploaded: 2023-08-09T14:49:36-08:00
Duration: 6 min 44 s
Channel: Danielle Fairburn
Description: 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 640 per month invested at 4 compounded mont 65152

          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. $640 per month invested at 4 %,
compounded monthly, for 7 years; then $784 per month invested at
7 %, compounded monthly, for 7 years. Find the amount in the
account after 14 years.

Added by Cynthia B.

Precalculus with Limits

Ron Larson 2nd Edition

Instant Answer

Solved by Expert Danielle Fairburn

08/09/2023

Step 1

Using the formula for future value of an annuity: FV = PMT x [(1 + r/n)^(nt) - 1] / (r/n) where PMT is the monthly contribution, r is the annual interest rate, n is the number of compounding periods per year, and t is the number of years. For the first 7 Show more…

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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. $640 per month invested at 4 %, compounded monthly, for 7 years; then $784 per month invested at 7 %, compounded monthly, for 7 years. Find the amount in the account after 14 years.