Solution - Compound interest (basic)

121546.14

121546.14

Step-by-step explanation

Use $A = P {(1 + r / n)}^{(n t)}$ with $P = 12, 989$ , $r = 15 %$ , $n = 1$ , $t = 16$ .

Compute period rate and exponent: $\frac{r}{n} = 0.15$ , $n t = 16$ , so the growth factor is $9.3576208735$ .

Multiply principal by growth factor: $12, 989$ × $9.3576208735$ = $121546.14$ .

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