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Financial Management (FINE 3010) Spring 2014
Practice 8 - 10
Equivalent Annual Annuity Problem 8.28
A firm can lease a truck for 4 years at a cost of $30,000 annually. It can instead buy a truck at a cost of
$80,000, with annual maintenance expenses of $10,000. The truck will be sold at the end of 4 years for
$20,000. Which is the better option if the discount rate is 10%?
Solution
Buy. PV of costs = $80,000 + [$10,000 annuity factor (10%, 4 years)] [$20,000/(1.10)4]
= $80,000 + $31,698.65 $13,660.27 = $98,038.38
The equivalent annual cost is the payment with the same present value. Solve the following equation for C:
[C annuity factor (10%, 4 years)] = $98,038.38 => C= EAC = $30,928.25
Using a financial calculator, enter n = 4; i = 10; FV = 0; PV = ()98,038.38; compute PMT ($30,928.25).
Financial Management (FINE 3010) - FA 2014 Practice 8 - 10
2 of 13
Equivalent Annual Annuity Problem 8.28
A firm can lease a truck for 4 years at a cost of $30,000 annually. It can instead buy a truck at a cost of
$80,000, with annual maintenance expenses of $10,000. The truck will be sold at the end of 4 years for
$20,000. Which is the better option if the discount rate is 10%?
Solution
If you can lease instead for $30,000, then this is the less costly option.
You can also compare the PV of the lease costs to the total PV of buying:
$30,000 annuity factor (10%, 4 years) = $95,095.96
The PV of the lease costs is less than the PV of the costs when buying the truck.
Financial Management (FINE 3010) - FA 2014 Practice 8 - 10
3 of 13
Solution
Project Evaluation
Financial Management (FINE 3010) - FA 2014 Practice 8 - 10
Find the equivalent annual cost of each alternative:
Blooper Industries must replace its magnoosium purification system. Quick & Dirty Systems sells a relatively cheap purification system for $10 million. The system will last 5 years. Do-It-Right sells a sturdier but more expensive system for $12 million; it will last for 8 years. Both systems entail $1 million in operating costs; both will be depreciated straight-line to a final value of zero over their useful lives; neither will have any salvage value at the end of its life. The firm's tax rate is 35%, and the discount rate is 12%. Which system should Blooper install? (Hint: Check the discussion of equivalent annual annuities in the previous chapter.)
Problem 9.24 4
Quick and Dirty Do-It-Right
Operating costs $1 million $1 million
Investment $10 million $12 million
Project life 5 years 8 years
Annual depreciation $2 million $1.5 million
Depreciation tax shield $0.700 million $0.525 million
PV(depreciation tax shield)* $2.523 million $2.608 million
Net capital cost† $7.477 million $9.392 million
EAC of net capital cost* $2.074 million $1.891 million
*Annuity discounted at 12%; number of years = project life. †Investment – PV(depreciation tax shield).
Project Evaluation
Financial Management (FINE 3010) - FA 2014 Practice 8 - 10
Problem 9.24 5
The present value of the depreciation tax shield for each alternative is computed as follows:
𝑃𝑉 = $0.700 million ×1
0.12‒
1
0.12 × 1+0.12 5= $2.523 𝑚𝑖𝑙𝑙𝑖𝑜𝑛
𝑃𝑉 = $0.525 million ×1
0.12‒
1
0.12 × 1+0.12 8= $2.608 𝑚𝑖𝑙𝑙𝑖𝑜𝑛
The equivalent annual cost (EAC) for each alternative is computed as follows:
𝑃𝑉 = C ×1
0.12‒
1
0.12 × 1+0.125 = $7.477 𝑚𝑖𝑙𝑙𝑖𝑜𝑛 => C = EAC = $2.074 million
𝑃𝑉 = C ×1
0.12‒
1
0.12 × 1+0.128 = $9.392 𝑚𝑖𝑙𝑙𝑖𝑜𝑛 => C = EAC = $1.891 million
Since the operating costs are the same, then Do-It-Right is preferred because it has the lower EAC.
Solution
Sensitivity Analysis
Financial Management (FINE 3010) - FA 2014 Practice 8 - 10
a. (Revenue – expenses) changes by $4 million – $2 million = $2 million.
After-tax profits increase by $2 million (1 – 0.35) = $1.3 million.
Because depreciation is unaffected, cash flow changes by the same amount.
b. Expenses increase from $7 million to $9 million.
After-tax income and cash flow decrease by:
$2 million (1 – 0.35) = $1.3 million
A project currently generates sales of $10 million, variable costs equal to 50% of sales, and fixed costs of $2
million. The firm's tax rate is 35%. What are the effects of the following changes on after-tax profits and cash
flow? (a) Sales increase from $10 to $14 million (b) Variable costs increase to 70% of sales.
Chapter 10 6