Solution - Compound interest (basic)

386162.49

386162.49

Step-by-step explanation

Use $A = P {(1 + r / n)}^{(n t)}$ with $P = 18, 658$ , $r = 12 %$ , $n = 2$ , $t = 26$ .

Compute period rate and exponent: $\frac{r}{n} = 0.06$ , $n t = 52$ , so the growth factor is $20.6968853434$ .

Multiply principal by growth factor: $18, 658$ × $20.6968853434$ = $386162.49$ .

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