The accompanying table describes the relationship between the number of workers hired by a call center each hour and the number of calls the call center can make each hour. The call center has only 1 telephone. The telephone costs the firm $5/hour (regardless of how many calls are made), and each worker is paid $10 per hour.Calls Per HourNumber of Telephones Per HourNumber of Workers Per Hour11221461616182211024112 If the price of a telephone increases to from $5 to $10 an hour and nothing else changes, then:

A. marginal cost would not change.
B. total cost would not change.
C. marginal cost would increase by $5 at every level of output.
D. average total cost would increase by $5 at every level of output.


Answer: A

Economics

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