Respuesta :

The compound interest formula:
A = P · ( 1 + r/n ) ^(n t)
where: P = $50,  r = 0.06, n = 12,  n t = 12 · 3 = 36;
A = 50 · ( 1 + 0.06/12) ^(36) =
= 50 · 1.005^(36) = 59.834 ≈ $59.83