In November 2018, the U

Multiple Choice

In November 2018, the U.S. Centers for Disease Control and Prevention warned that due to an outbreak of the E. coli bacteria, no romaine lettuce in the United States could be assumed safe to eat and that all of it should be discarded. Following this recommendation, sales of other leafy vegetables such as kale increased. Based on this information

A) kale is a normal good while romaine lettuce is an inferior good.
B) the cross-price elasticity between kale and romaine lettuce is negative.
C) the cross-price elasticity between kale and romaine lettuce is positive.
D) the price elasticity of kale is positive while the price elasticity of romaine lettuce falls to zero.