Solution - Compound interest (basic)

27489.17

27489.17

Step-by-step explanation

Use $A = P {(1 + r / n)}^{(n t)}$ with $P = 21, 774$ , $r = 12 %$ , $n = 2$ , $t = 2$ .

Compute period rate and exponent: $\frac{r}{n} = 0.06$ , $n t = 4$ , so the growth factor is $1.26247696$ .

Multiply principal by growth factor: $21, 774$ × $1.26247696$ = $27489.17$ .

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