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$20,000 invested at 3% for 20 years

Future value

$36,122

Interest earned

$16,122

Total growth

80.6111%

Investing $20,000 at 3% compounded annually for 20 years grows to $36,122. That's $16,122 of compound interest earned on your original $20,000.

FV = $20,000 × (1 + 3%)^20

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