Consider four alternatives, each of which has an 8-year useful life:
A B C D
Initial cost $100 $80 $60 $50
Annual benefit $12.20 $12.00 $9.70 $12.20
Salvage Value $75.00 $50.00 $50.00 $0
a) Construct a plot with interest rate on the x axis and PW on the y axis. Plot the PW vs interest rate for all 4 alternatives. Label graphs and make sure the fonts are readable. If your computer chooses very light colors, please change them to darker or brilliant colors for readability.
b) If MARR = 8%, which project should you choose based upon your plot?
c) Set up an excel file with Year and Cash Flows for each of the alternatives for the 8 year useful life. Calculate the net present value, the rate of return, and the benefit to cost ratio for each alternative at 8%. Which project should you choose? Does your choice change depending upon the method used?
d) If MARR = 8%, use an incremental analysis to choose your project. Start with the spreadsheet that you created for problem #3. Recall… the challenger is the higher cost project, the defender is the lower cost project… and the incremental cost is the higher cost project – the lower cost project. Start with the lowest cost project first. If IRR of incremental cost < MARR, choose defender; otherwise, choose challenger… The “winner” of the first “battle” becomes the defender in the next one. Recall that you will need to show (number of alternatives-1) battles… and the winner of each battle…… Then… choose your best alternative after you have done all incremental analyses.
a).
Please refer to below spreadsheet for Plot of Interest rate and Net Present worth of Project relationship.
Formula reference -
b)
If MARR = 8%, then according above plot Project-C has highest Net Present Worth at 8%. Thus, Project-C recommended here.
c)
Please refer to below spreadsheet for calculation of NPV,IRR and Benefit to cost.
Formula reference-
In all methods - NPV,IRR and Benefit to Cost , higher is the better
Project - C has highest NPV and Project-D has highest IRR and BCR.
Overall Decision = NPV is a absolute measure and IRR and BCR is a relative measure, NPV should be preferable to other methods unless specially required.
Thus, Project-C is recommended here.
d)
Please refer to spreadsheet in (c) for calculation of incremental analysis.
Decision - Project-C is recommended.
Consider four alternatives, each of which has an 8-year useful life: A B &n
Consider four alternatives, each of which has an 8-year useful life: Initial cost Annual benefit Salvage Value $100 $12.20 $75.00 $80 $12.00 $50.00 $60 $9.70 $50.00 $50 $12.20 $0 a. Construct a plot with interest rate on the x axis and PW on the y axis. Plot the PW vs interest rate for all 4 alternatives. Label graphs and make sure the fonts are readable. If your computer chooses very light colors, please change them to darker or brilliant colors...
Consider four alternatives, each of which has an 8-year useful life: Initial cost Annual benefit Salvage Value $100 $12.20 $75.00 $80 $12.00 Ş50.00 $60 $9.70 $50.00 Ş50 $12.20 S0 We were unable to transcribe this image
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