Consumer demand for DVDs has increased over time because the price of DVD players has:
A) decreased, and DVD players and video cassette players are substitute goods.
B) decreased, and DVD players and video cassette players are complementary goods.
C) increased, and DVD players and video cassette players are substitute goods.
D) increased, and DVD players and video cassette players are complementary goods.
Answer: B) decreased, and DVD players and video cassette players are complementary goods.
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Assume that each day ten thousand children watch Sesame Street on public television and that watching Sesame Street generates a benefit of $100 per child per year. Once a year, public television holds a pledge drive asking viewers to make voluntary contributions in order to keep the programming available to everyone. The broadcast of Sesame Street yields a total social benefit of ________ per year.
A. $10,000 B. $100 C. $1,000,000 D. $0