Two machines are being considered for the production of a particular part for which there is a long-term demand. Machina A costs P50,000 and is expected to last 3 years and have a P10,000 salvage value. Machine B costs P75,000 and is expected to last 6 years and have zero salvage value. Machine A can produce a part in 18 seconds; Machine B requires only 12 seconds per part. The out-of-pocket hourly cost of operation is P38 for A and P30 for B. Monthly maintenance costs are P200 for A and P220 for B. If interest on invested capital is 25%, determine the number of parts per year at which the machines are equally economical. If the expected number of parts per year is greater than this break-even quantity, which machine would be favored? Use rate of return on additional investment method.

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Chapter1: Making Economics Decisions
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2. Two machines are being considered for the production of a particular part for which there
is a long-term demand. Machina A costs P50,000 and is expected to last 3 years and have
a P10,000 salvage value. Machine B costs P75,000 and is expected to last 6 years and
have zero salvage value. Machine A can produce a part in 18 seconds; Machine B requires
only 12 seconds per part. The out-of-pocket hourly cost of operation is P38 for A and P30
for B. Monthly maintenance costs are P200 for A and P220 for B. If interest on invested
capital is 25%, determine the number of parts per year at which the machines are equally
economical. If the expected number of parts per year is greater than this break-even
quantity, which machine would be favored? Use rate of return on additional investment
method.
Transcribed Image Text:2. Two machines are being considered for the production of a particular part for which there is a long-term demand. Machina A costs P50,000 and is expected to last 3 years and have a P10,000 salvage value. Machine B costs P75,000 and is expected to last 6 years and have zero salvage value. Machine A can produce a part in 18 seconds; Machine B requires only 12 seconds per part. The out-of-pocket hourly cost of operation is P38 for A and P30 for B. Monthly maintenance costs are P200 for A and P220 for B. If interest on invested capital is 25%, determine the number of parts per year at which the machines are equally economical. If the expected number of parts per year is greater than this break-even quantity, which machine would be favored? Use rate of return on additional investment method.
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