The government has hired you to advise them on the merits of a
project that is being
proposed. The project is expected to generate benefits of 14
million dollars today, 5 million
dollars in one year from today, and 1 million dollars in two years
from today. (These are the only
years of concern.) The project costs nothing today but will cost 20
million dollars in two years.
Assume the interest rate (discount rate) is 10%. If the
benefit-cost ratio is greater than 1, the
project should go ahead. What is your policy suggestion?
Benefits of the Project
14,000,000 in year zero (now)
5,000,000 in year one (1)
1,000,000 in year two (2)
Costs of the Project
20,000,000 in year two (2)
Discount Rate = 10%
What is the Benefit Cost Ratio?
Using Present Worth Method calculate the B-C Ratio
Step – 1 Calculate PW of Benefits
PW of Benefits = 14,000,000 + 5,000,000 (1 + 0.10) -1 + 1,000,000 (1 + 0.10) -2
PW of Benefits = 19,371,900
Step – 2 Calculate PW of Costs
PW of Benefits = 14,000,000 (1 + 0.10) -2 = 16528925.62
Step – 3 Calculate B-C Ratio
B-C Ratio = PW of Benefits ÷ PW of Costs
B-C Ratio = 19,371,900 ÷ 16,528,925.62
B-C Ratio = 1.17
B-C Ratio > 1, ACCEPT THE PROJECT.
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