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Combining Factors – Shifted Uniform Series

Combining Factors – Shifted Uniform Series. Question: What is P for the following cash flow, a shifted uniform series of n equal installments? The first installment occurs at the end of period 5. P = ?. 0 1 2 3 4 n+4.

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Combining Factors – Shifted Uniform Series

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  1. Combining Factors – Shifted Uniform Series Question: What is P for the following cash flow, a shifted uniform series of n equal installments? The first installment occurs at the end of period 5. P = ? 0 1 2 3 4 n+4

  2. Combining Factors – Shifted Uniform Series P = ? Approaches for finding P: • Use (P/F) for each of the n payments. • Use (F/P) for each of the payments to find FT, then use FT(P/F,i%,n+4) to find P. • Use (P/A) to find the P4, then use P4(P/F,i%,4) to find P. 0 1 2 3 4 n+4

  3. Combining Factors – Shifted Uniform Series P = ? Example: What is P for a computer you purchase in which installments of $200 are paid for 10 months, with the first payment deferred until the 5th month after purchase. Assume i = 0.5% per month. A = $200 P4 = ________________________________ P = _________________________________ P = _________________________________ 0 1 2 3 4 14 $200

  4. Combining Factors – Shifted Uniform Series P = ? i = 6% Example: What is the present worth of an account in which you invest $2000 beginning now and at the end of each year for 10 years? The account pays interest at 6%. P = ____________________________ P = ____________________________ 0 1 2 3 4 10 $2000

  5. Combining Factors – Shifted Uniform Series F = ? 0 1 2 3 4 14 Example: What is F for the cash flow shown above, in which installments of $200 are paid at the end of periods 5 through 14? Assume i = 5%. A = _________________ F = _________________ F = _________________ What is the account worth in period 20 (no installments made after period 14)? $200

  6. Combining Factors – Single Amounts and Uniform Series P = ? i = 10% How might you approach the above cost flow? $200 paid in periods 1,2,3,4,8,9,10; and $400 paid in periods 5. 0 1 2 3 4 10 $200 $400 P1 = ? P2 = ? 0 1 2 3 4 10 5 $200 $200

  7. Combining Factors – Single Amounts and Uniform Series P = ? 0 1 2 3 4 10 $200 $400 P = $200(P/A,10%,10) + $200(P/F,10%,5) = _________ P1 = ? P2 = ? 0 1 2 3 4 10 5 $200 $200

  8. Combining Factors – Multiple Uniform Series P = ? How might you approach the above cost flow? $200 paid in periods 1,2,3,4,8,9,10; and $400 paid in periods 5,6,7. 0 1 2 3 4 10 $200 $400 P1 = ? P2 = ? 0 1 2 3 4 10 5 $200 $200

  9. Combining Factors – Multiple Uniform Series P = ? 0 1 2 3 4 10 $200 $400 P = $200(P/A,i%,10) + $200(P/A,i%,3)(P/F,i%,4) P1 = ? P2 = ? 5 0 1 2 3 4 10 $200 $200

  10. Combining Factors – Shifted Gradients $175 $150 $125 $100 0 1 2 3 4 5 6 7 8 P

  11. Your turn – draw the cash flow diagram(s) ….

  12. Combining Factors – Shifted Gradients $75 $100 $50 $25 0 1 2 3 4 5 6 7 8 0 1 2 3 4 5 6 7 8 P3 P2 P1 P = ________ P = ___________________________________ Note, P2term is for ____ periods.

  13. Combining Factors – Shifted Decreasing Gradients $1000 $850 $700 $550 0 1 2 3 4 5 6 7 8 P

  14. Draw the cash flow diagrams …

  15. Combining Factors – Shifted Decreasing Gradients $1000 $1000 $850 $700 $550  0 1 2 3 4 5 6 7 8 0 1 2 3 4 5 6 7 8 P1 - $450 P $300 $150 P3 P2

  16. Combining Factors – Shifted Decreasing Gradients $1000 - $450 $300 $150 0 1 2 3 4 5 6 7 8 P3 P2 P1 P = _______ P = _______________________________ Note, P2term is for ___ periods.

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