Solution - Compound interest (basic)

3979.36

3979.36

Step-by-step explanation

Use $A = P {(1 + r / n)}^{(n t)}$ with $P = 3, 197$ , $r = 1 %$ , $n = 1$ , $t = 22$ .

Compute period rate and exponent: $\frac{r}{n} = 0.01$ , $n t = 22$ , so the growth factor is $1.2447158598$ .

Multiply principal by growth factor: $3, 197$ × $1.2447158598$ = $3979.36$ .

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Compound interest appears in savings, loans, and investments. Understanding it builds strong financial literacy.