Respuesta :

A = P(1 + r/n)^nt
A=$
 17,547.88

P = 15000, r = 4% = 0.04 per year, n = 4 years.

A = P(1 + r)ⁿ

A = 15000(1 + 0.04)⁴

A ≈ 15000(1.04)⁴  ≈ 17547.88

Interest = Amount - Principal = 17547.88 - 15000 =2547.88

Interest  
≈ $ 2547.88