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11. If you write a check on a bank to purchase a used Honda Civic, you are using money primarily as A. a medium of exchange B. store of value C. a unit of account D. an economic investment 12. In effect, tariffs on imports are A. special taxes on domestic products B. subsides to domestic consumers C. subsides to foreign producers D. subsides for domestic producers. 13. A university decides to spend $1 million to upgrade personal computers and scientific equipment for faculty rather than spend S1 million to expand parking for students. This example illustrates A. distorted priorities. B. opportunity costs. C. increasing opportunity costs. D. productive efficiency. 14. Ben says that "an increase in the tax on beer will raise its price." Holly argues that "taxes should be increased on beer because college students drink too much." We can conclude that A. Ben's statement is normative, but Holly's is positive. B. Holly's statement is normative, but Ben's is positive. C. Both statements are normative. D. Both statements are positive