The above table shows Tammy's total utility from videos and CDs. If Tammy has $110 to spend on videos and CDs and if the price of a video is $10 and the price of a CD is $20, then Tammy maximizes her utility by purchasing
A) 3 CDs and 5 videos.
B) 5 CDs and 1 video.
C) 4 CDs and 3 videos.
D) none of the above.
A
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A natural monopoly usually arises when
A) there are diseconomies of scale in an industry. B) the government allows unrestricted access to a market. C) there are large economies of scale relative to the industry's demand. D) companies band together to form a larger company.
Which of the following statements is true of a barter system? a. In a barter system, an individual offers one good or service to get another good or service. b. In a barter system, an individual offers money to get a good or service
c. In a barter system, an individual offers a good or service to get money. d. In a barter system, different kinds of money are exchanged for one another. e. In a barter system, all individuals are self-sufficient.