Question

Um agiota empresta R$ 80.000,00 hoje para receber R$ 507.294,46 no final de 2 anos. Calcular as taxas mensal e anual desse empréstimo.Como faço pra achar a taxa anual.?

Answer 1

i=j*100/C/t

i=507294,46-80000*100/80000/2
i=427294,46*100/80000/2
i=42729446/80000/2
i=534,11/2
i=267,05
Resposta: Taxa de 267,05%a.a.

i=267,05/12
i=22,25
Resposta: Taxa de 22,25%a.m.

Answer 2

C=80 000
M= 507 294,46
t=2a
i=??
J=427 294,46


i=100J/Ct
i=100.427294,46/80000 .2=267,05903%aa=22,254919%am