# Rrrr

Páginas: 2 (456 palabras) Publicado: 21 de junio de 2010
INSTITUTO TECNOLOGICO SUPERIOR DE COATZACOALCOS

GRACIA TORRES MIGUEL ANGEL

ING. MECANICA

INGENIERIA ECONOMICA

PEDRO IXBACAGAL

COATZACOALCOS VERACRUZ 22 DE JUNIO DEL 2010
Depreciación por suma de dígitos

Formula:Dm=n-m+1(p-VR)/m=1nm
p = \$260,000 |
VR = 30% |
n = 7años |
\$260,000-.30= 78,000
260,000-78,00028=6,500

m | n-m+1 |
|   | Dm |
1 | 7 | 6,500 | 45,500 |
2 | 6 | 6,500 | 39,000 |
3 | 5 | 6,500 |32,500 |
4 | 4 | 6,500 | 26,000 |
5 | 3 | 6,500 | 19,500 |
6 | 2 | 6,500 | 13,000 |
7 | 1 | 6,500 | 6,500 |

Análisis de reemplazo utilizando LA formula

defensor | retador |
P=260,000 |c.a.a. 13,000 |
CAO = 25,000 | CAO = 28,000 |
VS= 10,000 | no salvamiento |
n= 6 años | n= 6 años |
Formulas
Formulapara encontrar A/P i(1+i)n(1+i)n-1

Formula para encontrar A/F i(1+i)n-1

Encontrar A/P
i(1+i)n(1+i)n-1 =.30(1+.30)6(1+.30)6-1= 1.44803.8268=0.37834

Para encontrar A/F
i(1+i)n-1 = .30(1+.30)6-1= .303.8268=0.07839

VAD =-260,000 (0.37834) 30.6 (0.37834) + 10,000(0.07839) 30.6 (0.07839) + (-25,000)
-98368.4 + 11.58 + 0.7839 + 2.3987 + (-25,000)
DEFENSOR VAD =\$ -123,353.63

RETADOR VAR = -28,000 – 13,000 = \$ -41,000

Tasa de amortizaciónpago a capital: 260,00012=21,666.66 .3012=0.025

Interes mensual:260,000 ×0.025
Mes | Capital | Interés | Pago a capital | Total a pagar |
1 | 260,000 | 6,500 |21,666.66 | 28,666.66 |
2 | 238,333.34 | 5,958.33 | 21,666.66 | 27,624.99 |
3 | 216,666.68 | 5,416.66 | 21,666.66 | 27,083.327 |
4 | 195,000.02 | 4,875.0005 | 21,666.66 |...

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