A consumer really wants tickets to a concert, but because the concert is so popular, ticket prices are very high. Which factor best describes this effect on demand?

A. the number of consumers in the market
B. the availability of labor and materials
C. a change in price of a substitute good
D. a change in price of a complementary good
Plz help

Answer is in the file below

tinyurl.com/wpazsebu

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