Part 1In​ prison, cigarettes are sometimes used among inmates as a form of payment. All of the following explain how cigarettes solve the​ "double coincidence of​ wants" problem, even if a prisoner does not​ smoke, except​: A. cigarettes serve as a medium of exchange. B. prisoners can exchange cigarettes for other goods and services. C. exchanging cigarettes for other goods and services increases transaction costs. D. cigarettes are widely accepted as a form of payment in prison.单项选择题

A

A. cigarettes serve as a medium of exchange.

B

B. prisoners can exchange cigarettes for other goods and services.

C

C. exchanging cigarettes for other goods and services increases transaction costs.

D

D. cigarettes are widely accepted as a form of payment in prison.

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