Multiple Choice
A government contractor hires a worker to help build a road for an annual wage of $50,000.The worker's annual output is worth $60,000.If the worker did not have this job,the worker would have produced $40,000 a year in an alternative job and would have been paid $30,000 a year.The real cost of using this worker to build the road is
A) $30,000.
B) $40,000.
C) $50,000.
D) $60,000.
Correct Answer:

Verified
Correct Answer:
Verified
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