Respostas

2014-03-06T23:39:37-03:00
Juros Simples
M=montante; M=23789,29
C=Capital;     C=15000,00
i=taxa unitária
n=periodo de tempo; n=132dias
j=juros; j=M-C; e j=C*n*i ⇒i=j/C*n
J=23789,29-15000,00; j=8789,29
a) taxa diaria
     i=8789,29/15000*132
     i=8789,29/1980000
     i=0,004439a.d.  ou i=0,4439%a.d.
b) taxa mensal
    mes comercial= 30 dias
    taxa mensal proporcional ao dia iam=iad*30
    iam=0,004439*30
    iam=0,133171a.m ou 13,3171%a.m.