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

A highway costs P20 million, requires P0.5 million per year for maintenance, and lasts 20 years. At 8% interest, what minimum uniform annual benefit gives a benefit-cost ratio of 1.0?

  1. P1,500,000
  2. P2,037,044.18
  3. P3,500,000
  4. P2,537,044.18

Answer

D. P2,537,044.18

Solution

B/C=1 when annual benefits equal the equivalent annual cost: B=20,000,000(A/P,8%,20)+500,000=20,000,000(0.101852)+500,000=P2,537,044.18.

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