Solar 25,000 × 7= 125,000+10,000= 135,000 3,000 0 0 3.5% 1.5% 25 25 ALTERNATIVE A: A solar panel costs 25,000. 7 solar panels are needed in a company. The installation fee s 10,000 and will have a useful 25 years with no salvage value. The maintenance per year is 5,000. The annual interest rate for solar panel is 2%. FIRST COST ANNUAL COST SALVAGE VALUE ANNUAL INTEREST RATE STUDY PERIOD Power Line 20,000 1,950.90/month × 12= 23,410.8/year ALTERNATIVE B: A new power line will cost 20,000, with power costs expected to be 1,950.90 per month. The annual increase rate of electric bill is about 3.5%. Which alternative should be selected on the basis of a future worth analysis? Illustrate the cash flow diagram. USE MS EXCEL IN COMPUTATION and SHOW THE SOLUTION PROPERLY.

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Question
FIRST COST
ANNUAL COST
SALVAGE VALUE
ANNUAL INTEREST RATE
STUDY PERIOD
Power Line
20,000
1,950.90/month × 12= 23,410.8/year
Solar
25,000 × 7= 125,000+10,000= 135,000
3,000
0
1.5%
25
0
3.5%
25
ALTERNATIVE A: A solar panel costs 25,000. 7 solar panels are needed in a company. The installation fee
is 10,000 and will have a useful 25 years with no salvage value. The maintenance per year is 5,000. The
annual interest rate for solar panel is 2%.
ALTERNATIVE B: A new power line will cost 20,000, with power costs expected to be 1,950.90 per
month. Th annual increase rate of electric bill is about 3.5%.
Which alternative should be selected on the basis of a future worth analysis? Illustrate the cash
flow diagram. USE MS EXCEL IN COMPUTATION and SHOW THE SOLUTION PROPERLY.
Transcribed Image Text:FIRST COST ANNUAL COST SALVAGE VALUE ANNUAL INTEREST RATE STUDY PERIOD Power Line 20,000 1,950.90/month × 12= 23,410.8/year Solar 25,000 × 7= 125,000+10,000= 135,000 3,000 0 1.5% 25 0 3.5% 25 ALTERNATIVE A: A solar panel costs 25,000. 7 solar panels are needed in a company. The installation fee is 10,000 and will have a useful 25 years with no salvage value. The maintenance per year is 5,000. The annual interest rate for solar panel is 2%. ALTERNATIVE B: A new power line will cost 20,000, with power costs expected to be 1,950.90 per month. Th annual increase rate of electric bill is about 3.5%. Which alternative should be selected on the basis of a future worth analysis? Illustrate the cash flow diagram. USE MS EXCEL IN COMPUTATION and SHOW THE SOLUTION PROPERLY.
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