A firm can hire six workers at a wage rate of $8 per hour but must pay $9 per hour to all of its employees to attract a seventh worker. The marginal wage cost of the seventh worker is:
A. $15.
B. $10.
C. $9.
D. $21.
ECO 561 UOP Final Exam University of Phoenix
Eco561 Eco/561 Final Examination Exam multiple choice quiz
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