Taller 2 Corte Ing. Economica.docx

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Estudiante: Jefry Salinas Castilla Código: 1072089 Asignatura: Ingeniería Económica Docente: Wilfrido Ruiz 1. Una deuda se debería pagar en 144 pagos mensuales de $600, $650, $700 y así sucesivamente. Se debe sustituir por una serie de pagos uniformes mensuales. Hallar el valor de la anualidad sabiendo que para ambos casos se utiliza una tasa del 2 % C.S., durante los primeros 3 años y 5% C.S para los otros 3 años adicionales. 𝑖 = 2% 𝐶𝑆 → (1 + 0.02)2 = (1 + 𝜌2 )12 → 𝜌2 = (1 + 0.02)

1⁄ 6

− 1 → 𝜌2 = 0.0033

𝑖 = 5% 𝐶𝑆 → (1 + 0.05)2 = (1 + 𝜌2 )12 → 𝜌2 = (1 + 0.05)

1⁄ 6

− 1 → 𝜌2 = 0.0082

(1 + 0.0033)3 − 1 (1 + 0.0033)3 − 1 50 3 𝑃1 = 600 [ ] − [ − ] 3 3 (1 + 0.0033)3 0.0033(1 + 0.0033) 0.0033 0.0033(1 + 0.0033) 𝑃1 = 181518 − 148.68 = 181369.32 (1 + 0.0082)9 − 1 (1 + 0.0082)9 − 1 50 3 𝑃 = 600 [ ] − [ − ] 0.0082(1 + 0.0082)9 0.0082 0.0082(1 + 0.0082)9 (1 + 0.0082)9 𝑃2 = 73057.42 − 35697.66 = 37359.76 𝑃𝑇 = 𝑃1 + 𝑃2 𝑃𝑇 = 181369.32 + 37359.76 = 185105.08 2. Calcular la tasa nominal anticipada C.B, una tasa anticipada del 35 % C.b. 𝜌𝑎 0.35 𝑖𝑎 = → 𝑖𝑎 = → 𝑖𝑎 = 0.058 𝑚 6 𝑖𝑎 0.058 𝑖= →𝑖= → 𝑖 = 0.06 1 − 𝑖𝑎 1 − 0.058 𝜌1 𝑛 𝜌2 0.06 𝜌2 6 6 (1 + ) = (1 + ) → (1 + ) = (1 + ) → 𝜌2 = ( √1.01 − 1) ∗ 6 = 0.99% 𝑚𝑎 𝑚2 6 6

3. Calcular la tasa más factible para hacer un negocio. 1. 2. 3. 4.

30% C.M. 40% C.S. 15% C.T. 20 % E.A. 1) (1 +

0.3 12 𝜌2 ) = (1 + ) → 𝜌2 = 0.34 = 34% 𝐸𝑓𝑒𝑐𝑡. 𝑎𝑛𝑢𝑎𝑙 12 1

2) (1 +

0.4 2 𝜌2 ) = (1 + ) → 𝜌2 = 0.44 = 44% 𝐸𝑓𝑒𝑐𝑡. 𝑎𝑛𝑢𝑎𝑙 2 1

3) (1 +

0.15 4 𝜌2 ) = (1 + ) → 𝜌2 = 0.158 = 15.8% 𝐸𝑓𝑒𝑐𝑡. 𝑎𝑛𝑢𝑎𝑙 4 1 4) 20% 𝐸𝑓𝑒𝑐𝑡. 𝑎𝑛𝑢𝑎𝑙

 La tasa más factible es 15% capitalizado trimestral

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