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RENTA Aritmética
Inmediata Perpetua |
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| C1 = C |
C2 = C+d |
C3 = C+2d |
··· |
Cn-2 = C+(n-3)d |
Cn-1 = C+(n-2)d |
Cn = C+(n-1)d |
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| - |
La descomponemos como suma de rentas
ctes, una de cuntía C y n-1 de cuantía d, |
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Valor actual |
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C1 |
C2 |
Cn-3 |
Cn-2 |
Cn-1 |
Cn |
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··· |
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···
··· |
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0 |
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1 |
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2 |
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n-3 |
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n-2 |
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n-1 |
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n |
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∞ |
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| R0 |
C· a∞ | i |
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C |
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C |
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C |
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C |
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C |
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C |
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··· |
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···
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0 |
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1 |
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2 |
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n-3 |
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n-2 |
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n-1 |
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n |
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∞ |
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| R1 |
d· 1 /a∞ | i |
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1 |
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d |
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d |
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d |
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d |
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d |
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··· |
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···
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0 |
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1 |
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2 |
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n-3 |
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n-2 |
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n-1 |
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n |
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∞ |
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| R2 |
d· 2 /a∞ | i |
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2 |
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d |
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d |
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d |
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d |
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··· |
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···
··· |
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0 |
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2 |
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n-3 |
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n-2 |
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n-1 |
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n |
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∞ |
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··· ··· |
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··· ··· ··· |
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| Rn-3 |
d· n-3 /a∞ | i |
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n-3 |
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d |
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d |
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d |
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··· |
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···
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0 |
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n-3 |
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n-2 |
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n-1 |
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n |
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∞ |
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| Rn-2 |
d· n-2 /a∞ | i |
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n-2 |
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d |
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d |
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··· |
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···
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0 |
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n-2 |
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n-1 |
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n |
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∞ |
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| Rn-1 |
d· n-1 /a∞ | i |
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n-1 |
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d |
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··· |
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···
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0 |
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n-1 |
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n |
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∞ |
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( V0)∞ | i = C·a∞ | i +
d·∑s1,∞s /a∞ | i |
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| |
VALOR Actual PostPagable |
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| - |
( V0)∞ | i |
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A(C;d) n | i |
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[ ( C + d / i ) an | i - d·n·(1+i)-n / i ] |
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n |
∞ |
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n |
∞ |
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| ( V0)∞ | i = ( C + d / i ) a∞ | i - d / i · lim [ n·(1+i)-n ] |
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n |
∞ |
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n |
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1 |
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n·(1+i)-n |
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∞ |
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0 |
aplicamos
L'hopital |
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(1+i)n |
∞ |
(1+i)n· loge (1+i) |
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n |
∞ |
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n |
∞ |
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n |
∞ |
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( V0)∞ | i = ( C + d / i ) a∞ | i = ( C + d / i ) · 1 / i = ( C + d / i ) / i = C / i
+ d / i2 |
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| - |
( V0)∞ | i = ( C + d / i ) / i = A(C;d) ∞ | i |
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| |
VALOR Actual PrePagable |
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| - |
( ··V0)∞ | i |
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··A(C;d)n | i |
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(1+i) A(C;d) n | i |
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n |
∞ |
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n |
∞ |
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| - |
( ··V0)∞ | i = (1+i)
A(C;d) ∞ | i = (1+i)·(
C + d / i ) / i = ··A(C;d) ∞ | i |
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