Kayla and Jada are roommates in New York City. Both Kayla and Jada recently received raises. Kayla now purchases more

Kayla and Jada are roommates in New York City. Both Kayla and Jada recently received raises. Kayla now purchases more mp3 albums online than before, but Jada buys fewer. Kayla behaves as if mp3 albums are goods, and Jada’s income elasticity of demand for mp3 albums is . A) normal; positive B) normal; negative C) inferior; positive D) inferior; negative

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