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 .

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Ithink the answer is b. hope this .

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Iposit c as the correct answerbeing a waitress and managing a restaurant can be different jobs in the same care  this is because the difference between the two is attitude. they can be both jobs or careers, if the attitude of the job-doer is that way. on e can be a manger yet sees it a s a job. the job of waitress can also have an impact on future job prospects thus is important for the career line.