Question

Qual a taxa de juro equivalente a taxa de desconto de 18%aq, num prazo de 162
dias?
A) i = 5,9445%am
B) i = 23,7781%aq
C) i = 11,8890%at
D) i = 18,2781%aq
E) i = 35,6672%as

Answer 1

Olá.

id = 18% a.q. = 0,18 a.q.
n = 162 dias = 162/120 quadrimestre = 1,35 quadrimestre

i ef = id/(1 - i*n)

i ef = 0,18/(1 - 0,18*1,35)

i ef = 0,237780713

i ef = 23,7781 a.q.