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Consider a small firm that is producing winter coats. It can lease an additional sewing machine for one month for $2400. With this additional machine, the firm can produce an additional 4 coats during that time period that it sells for $550 each. Hiring the marginal machine adds to the firm's profit and so it should _ the machine.
Premature Extinction
The early disappearance of a species from Earth, often caused by human activities.
Acronym
An abbreviation formed from the initial letters of other words and pronounced as a word.
Ecosystem
A community of living organisms and their physical environment interacting as an integrated system.
Sporting Trophy
is an award, typically in the form of a cup or statue, given for achievement in a specific sport or competition.
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