1. A firm is considering replacing the existing industrial air conditioning unit. They will pick one of two units. The first, the AC360, costs $26,081.00 to install, $5,081.00 to operate per year for 7 years at which time it will be sold for $7,075.00. The second, RayCool 8, costs $41,244.00 to install, $2,161.00 to operate per year for 5 years at which time it will be sold for $9,015.00. The firm’s cost of capital is 6.92%. What is the equivalent annual cost of the AC360?
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2. A firm is considering replacing the existing industrial air conditioning unit. They will pick one of two units. The first, the AC360, costs $26,822.00 to install, $5,108.00 to operate per year for 7 years at which time it will be sold for $6,926.00. The second, RayCool 8, costs $41,517.00 to install, $2,098.00 to operate per year for 5 years at which time it will be sold for $9,026.00. The firm’s cost of capital is 6.56%. What is the equivalent annual cost of the RayCool8?
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3. A firm is must choose to buy the GSU-3300 or the UGA-3000. Both machines make the firm’s production process more efficient which in turn increases incremental cash flows. The GSU-3300 produces incremental cash flows of $26,669.00 per year for 8 years and costs $98,113.00. The UGA-3000 produces incremental cash flows of $28,224.00 per year for 9 years and cost $125,952.00. The firm’s WACC is 9.08%. What is the equivalent annual annuity of the GSU-3300?
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4. A firm is must choose to buy the GSU-3300 or the UGA-3000. Both machines make the firm’s production process more efficient which in turn increases incremental cash flows. The GSU-3300 produces incremental cash flows of $25,014.00 per year for 8 years and costs $100,758.00. The UGA-3000 produces incremental cash flows of $28,890.00 per year for 9 years and cost $123,024.00. The firm’s WACC is 9.39%. What is the equivalent annual annuity of the UGA-3000?
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Brief Introduction:
The Equivalent Annual Annuity Method is used for decision making in case of mutually exclusive projects with different life span. The formula for arriving at Equivalent Annual Annuity is r*NPV/1-(1+r)-nwhere
r is the discount rate to arrive at present value, which is usually the WACC of the firm.
n is the useful life of the project
NPV is the Net Present value of the project
Answer for 1:
Calculation of NPV:
The present value of Net Cash Outflow of AC360 for 7 years is $ 49111.44.The WACC of 6.92% is used to discount the future cash flows to the present value. The present value factor is calculated accordingly below.
Year | Cash Flows | PVIF (r,i) | NPV of Cash Flows |
0 | $ -26,081.00 | 1 | $ -26,081.00 |
1 | $ -5,081.00 | 0.9353 | $ -4,752.15 |
2 | $ -5,081.00 | 0.8747 | $ -4,444.59 |
3 | $ -5,081.00 | 0.8181 | $ -4,156.93 |
4 | $ -5,081.00 | 0.7652 | $ -3,887.88 |
5 | $ -5,081.00 | 0.7157 | $ -3,636.26 |
6 | $ -5,081.00 | 0.6693 | $ -3,400.91 |
7 | $ -5,081.00 | 0.626 | $ -3,180.80 |
7 | $ 7,075.00 | 0.626 | $ 4,429.08 |
$ -49,111.44 |
Calculation of Equivalent Annual Cost:
= 9081.04
Therefore the equivalent annual cost of the AC360 is $ 9,081.04
Answer for 2:
Calculation of NPV:
The present value of Net Cash Outflow of Raycool 8 for 5 years is $ 43652.14.The WACC of 6.56% is used to discount the future cash flows to the present value. The present value factor is calculated accordingly below.
Year | Cash Flows | PVIF (r,i) | NPV of Cash Flows |
0 | $ -41,517.00 | 1 | $ -41,517.00 |
1 | $ -2,098.00 | 0.9384 | $ -1,968.84 |
2 | $ -2,098.00 | 0.8807 | $ -1,847.64 |
3 | $ -2,098.00 | 0.8265 | $ -1,733.90 |
4 | $ -2,098.00 | 0.7756 | $ -1,627.15 |
5 | $ -2,098.00 | 0.7278 | $ -1,526.98 |
5 | $ 9,026.00 | 0.7278 | $ 6,569.38 |
$ -43,652.14 |
Calculation of Equivalent Annual Cost:
= 10521.33
Therefore the equivalent annual cost of the Raycool8 is $ 10,521.33
Answer for 3:
Calculation of NPV:
The present value of Net Cash Flows of GSU-3300 for 8 years is $ 49,057.22.The WACC of 9.08% is used to discount the future cash flows to the present value. The present value factor is calculated accordingly below.
Year | Cash Flows | PVIF (r,i) | NPV of Cash Flows |
0 | $ -98,113.00 | 1 | $ -98,113.00 |
1 | $ 26,669.00 | 0.9168 | $ 24,449.03 |
2 | $ 26,669.00 | 0.8404 | $ 22,413.85 |
3 | $ 26,669.00 | 0.7705 | $ 20,548.08 |
4 | $ 26,669.00 | 0.7063 | $ 18,837.63 |
5 | $ 26,669.00 | 0.6476 | $ 17,269.55 |
6 | $ 26,669.00 | 0.5936 | $ 15,832.01 |
7 | $ 26,669.00 | 0.5442 | $ 14,514.12 |
8 | $ 26,669.00 | 0.4989 | $ 13,305.94 |
$ 49,057.22 |
Calculation of Equivalent Annual Annuity:
= 8889.75
Therefore the equivalent annual annuity of GSU-3300 is $ 8,889.75
Answer for 4:
Calculation of NPV:
The present value of Net Cash Flows of UGA-3000 for 9 years is $ 47466.08.The WACC of 9.39% is used to discount the future cash flows to the present value. The present value factor is calculated accordingly below.
Year | Cash Flows | PVIF (r,i) | NPV of Cash Flows |
0 | $ -1,23,024.00 | 1 | $ -1,23,024.00 |
1 | $ 28,890.00 | 0.9142 | $ 26,410.09 |
2 | $ 28,890.00 | 0.8357 | $ 24,143.06 |
3 | $ 28,890.00 | 0.764 | $ 22,070.63 |
4 | $ 28,890.00 | 0.6984 | $ 20,176.09 |
5 | $ 28,890.00 | 0.6384 | $ 18,444.18 |
6 | $ 28,890.00 | 0.5836 | $ 16,860.94 |
7 | $ 28,890.00 | 0.5335 | $ 15,413.60 |
8 | $ 28,890.00 | 0.4877 | $ 14,090.51 |
9 | $ 28,890.00 | 0.4459 | $ 12,880.98 |
$ 47,466.08 |
Calculation of Equivalent Annual Annuity:
= 7149.63
Therefore the equivalent annual annuity of UGA-3000 is $ 7,149.63
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