Compound Interest
Basic Cash Flows
Average Annual Rate of Return
Annual Effective Rate
200

Sheila deposits $250 into an account earning 6% compound interest per year. How much money will she have after one year has passed?

$265

200

Ben deposits $350 into an account earning 5% compounded interest yearly, then deposits another $100 into this account the next year. How much money will be in his account 5 years after the initial deposit?

$568.25

200

Jen’s account earns 2% compounded annual interest one year, 3% the next, and 7% the third. What is her average annual rate of return over this timeframe?

4%

200

What is the annual effective rate of an account with a 0.6% monthly rate?

7.4%

300

Jonathan deposits $610 into an account earning 4% compound interest per year. How much will the account be worth in 5 years?

$742.16

300

Every year, Anthony’s account earns compound interest at a 3% rate. He deposited $500 in 2020 and $400 in 2022, then withdrew $600 in 2023. How much money does the account have in 2026?

$391.60

300

Nvidia stock gives a -15.32% interest one year, a 16.08% the next, and a 56.97% the third. What is its average annual rate of return?

19.24%

300

Brianna deposits $750 into an account and has $900 one year later. What is the account's annual effective interest rate?

20%

400

Mike deposits 1,465 into an account with a 6.8% interest rate compounded annually. How much will the account be worth in 4 years and 6 months?

$1,969.74

400

Sasha’s account earns a 2% compound interest rate yearly. Sasha deposits $200 now, then another $200 each year for the next four years. She then withdraws $n at the beginning of the sixth year. If Sasha has $1000 after seven years, calculate the value of n.

102.46

400

An account earns 5% compounded annual interest for 4 years before the interest rate is bumped up to 8% for the next 3. Then, the interest rate is brought back down to 6% for another 6 years. What is the average annual rate of return?

6.15%

400

Robert deposits $1,600 into an account and 30 months later has $2,500. What is his annual effective rate?

21.42%

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