Keanna and Joanna, who are roommates in Los Angeles, both received raises from their respective employers. Keanna now purchases more iTunes downloads than before, while Joanna purchases fewer. For Keanna, iTunes downloads are a _____ good; Joanna's income elasticity of demand for iTunes downloads is _____.
A)normal; positive
B)normal; negative
C)inferior; positive
D)inferior; negative

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The Answer of Keanna and Joanna, who are roommates in Los Angeles, both received raises from their respective employers. Keanna now purchases more iTunes downloads than before, while Joanna purchases fewer. For Keanna, iTunes downloads are a _____ good; Joanna's income elasticity of demand for iTunes downloads is _____.
A)normal; positive
B)normal; negative
C)inferior; positive
D)inferior; negative

Keanna and Joanna, Who Are Roommates in Los Angeles, Both