Question
1. Suppose a firm with a cost of capital of 8% per year needs equipment on an ongoing basis. The equipment costs $700,000 to buy
1.
Suppose a firm with a cost of capital of 8% per year needs equipment
on an ongoing basis. The equipment costs $700,000 to buy at t=0, and the
operating and maintenance (O&M) costs at t=1,2,3,4 are $250,000,
$300,000, $400,000, and $600,000 respectively. Work out how often the
firm should replace one unit with another in order to minimize the total costs
(sum of replacement and O&M costs).
2.
ABC Fitness Club has a set of treadmills and other exercise
equipment that costs $600,000. They replace the entire set every 300 weeks
with an identical set, and sell the old set for $60,000. The technology and the
prices are expected to remain unchanged in perpetuity. Therefore, as a going
concern, ABC Fitness Club can be reasonably expected to follow this
replacement policy for ever. They bought the current equipment 50 weeks
ago. Therefore, given the replacement policy and normal use, it will be
replaced in exactly 250 weeks from now.
XYZ Health Club, a sister facility in the neighborhood, closed down
temporarily, and asked ABC Fitness Club to let its members use ABC's
facilities until it reopens. Taking into account the membership of the two
clubs, it is estimated that ABC Club will have to replace their current
equipment in 225 weeks if they still want to sell it for $60,000. In other
words, the life of the current set of equipment that ABC has will be
shortened by 25 weeks on account of its use by members of XYZ Health
Club. Assuming the discount rate to be 0.18% per week, what payment from
XYZ Health Club would compensate ABC Fitness Club for the fact that
their current equipment will need replacement 25 weeks earlier?
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