Engineering Board Exam Reviewer · Benefit-Cost Ratio and Payback Period · medium

An investment of P100,000 returns P30,000 at the end of each year. At 10% interest, what is the discounted payback period?

  1. 4.25 years
  2. 3.33 years
  3. 4 years
  4. 5 years

Answer

A. 4.25 years

Solution

100,000=30,000(P/A,10%,n) (1.10)-n=1- 100,000(0.10)30,000=0.6667. So n=- 0.6667/ 1.10=4.25 years.

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