Solution - Compound interest (basic)

94571.83

94571.83

Step-by-step explanation

Use $A = P {(1 + r / n)}^{(n t)}$ with $P = 13, 879$ , $r = 13 %$ , $n = 4$ , $t = 15$ .

Compute period rate and exponent: $\frac{r}{n} = 0.0325$ , $n t = 60$ , so the growth factor is $6.8140233853$ .

Multiply principal by growth factor: $13, 879$ × $6.8140233853$ = $94571.83$ .

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