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2000 = Ci(1+0,05)^8
2000 = Ci(1,05)^8
2000 = 1,47745Ci
Ci = 2000/1,47745
Ci = 1353,68
b) Cf = Ci(1+1/n)^nt
Cf = 6000(1+0,0035/12)^12(5)
Cf = 6000 (1,002916)^60
Cf = 7145,66
d) Cf = Ci(1+i/n)^nt
800 = 500(1+0,06/2)^2t
800 = 500(1,03)^2t
1,6 = 1,03^2t
log1,6 = 2t log1,03
t = log 1,6 / (2log 1,03)
t = 7,95
c) Cf = Ci(1+i/n)^nt
5000 = 3000(1+i/4)^4(10)
5000 = 3000(1+i/4)^40 paso el 3000 a dividir
1,6666 = (1+i/4)^40
z = 1+i/4
1,6666 = z^40
log 1,6666 = 40 log z
log z = log 1,6666/ (40)
log z = 0,005546218
z = 1,01285253 (antilogaritmo ó inverso logaritmo)
pero z = 1 + i/4
1,01285253 = 1 + i/4
1,01285253 - 1 = i/4
0,01285253 = i/4
i = 0,0514 ----> r = 5,14%