Question

In: Economics

(10 pts) The city of New York is considering two separate cell tower providers. The city...

(10 pts) The city of New York is considering two separate cell tower providers. The city expects a benefit-cost ratio of 1.0 or better, and their cost of capital is 10% per year. Assume repeatability. Verizon AT&T Initial investment (first cost) $90,000 $170,000 Useful life in years 6 12 Market value at end of useful life $25,000 $40,500 Annual benefits from operation $30,000 $40,000 Annual operating expenses $9,800 $11,300 a. Conduct benefit-cost ratio on the Verizon and AT&T projects and indicate which project is the preferred project. b. Conduct an incremental difference to validate decision.

Solutions

Expert Solution

a. Pls see tables below. AT&T has a higher BC ratio and is better.

Verizon Net CF / 1.1^Time
T Investment Revenue Cost Salvage Value Net CF PV @ 10%
0 -90000.00 -90000.00 -90000.00
1 30000.00 -9800.00 20200.00 18363.64
2 30000.00 -9800.00 20200.00 16694.21
3 30000.00 -9800.00 20200.00 15176.56
4 30000.00 -9800.00 20200.00 13796.87
5 30000.00 -9800.00 20200.00 12542.61
6 -90000.00 30000.00 -9800.00 25000.00 -44800.00 -25288.43
7 30000.00 -9800.00 20200.00 10365.79
8 30000.00 -9800.00 20200.00 9423.45
9 30000.00 -9800.00 20200.00 8566.77
10 30000.00 -9800.00 20200.00 7787.97
11 30000.00 -9800.00 20200.00 7079.98
12 30000.00 -9800.00 25000.00 45200.00 14402.11
B/C Ratio 1.21
(Sum of PV of Net CF T1toT15 / -Investment)
AT&T Net CF / 1.1^Time
T Investment Revenue Cost Salvage Value Net CF PV @ 10%
0 -170000.00 -170000.00 -170000.00
1 40000.00 -11300.00 28700.00 26090.91
2 40000.00 -11300.00 28700.00 23719.01
3 40000.00 -11300.00 28700.00 21562.73
4 40000.00 -11300.00 28700.00 19602.49
5 40000.00 -11300.00 28700.00 17820.44
6 40000.00 -11300.00 28700.00 16200.40
7 40000.00 -11300.00 28700.00 14727.64
8 40000.00 -11300.00 28700.00 13388.76
9 40000.00 -11300.00 28700.00 12171.60
10 40000.00 -11300.00 28700.00 11065.09
11 40000.00 -11300.00 28700.00 10059.17
12 40000.00 -11300.00 40500.00 69200.00 22049.25
B/C Ratio 1.23
(Sum of PV of Net CF T1toT15 / -Investment)

b) The decision is validated when we do incremental analysis, as it yields a B/C ratio of 1.24. Pls see table below

Incremental (AT&T - Verizon) Net CF / 1.1^Time
T Investment Revenue Cost Salvage Value Net CF PV @ 10%
0 -80000.00 0.00 0.00 0.00 -80000.00 -80000.00
1 0.00 10000.00 -1500.00 0.00 8500.00 7727.27
2 0.00 10000.00 -1500.00 0.00 8500.00

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