Andrew, a college student, loves drinking coffee late at night to study for exams. having no income, he is used to buying cheap, bad-tasting coffee, such as beanlightened, that he needs to grind and brew himself. the coffee tastes putrid but, with enough cream and sugar, andrew is able to tolerate it. occasionally, he does go out to starbucks when he has spare money. after graduation, andrew gets a job working at a database firm as a programmer. his income is now a healthy $75,000 a year, and he decides he has had enough bad-tasting coffee. he ends up buying coffee daily from starbucks, even though it costs significantly more than beanlightened. andrew's demand for starbucks coffee changed as a result of a change in income. a change in technology. a change in expectations. a change in a related good or service. a change in the number of consumers. beanlightened coffee is for andrew a(n) in economic terms, starbucks coffee is for andrew a(n)