【单选题】Milk has an inelastic demand and beef has an elastic demand. Suppose that a mysterious increase in bovine infertility decreases both the population of dairy cows and the population of beef cattle by ...
A.
greater in the milk market than in the beef market.
B.
greater in the beef market than in the milk market.
C.
the same in the milk and beef markets.
D.
may be greater in either the milk market or the beef market.