Last Year,Shelley Bought 6 Pairs of Designer Jeans When Her

Multiple Choice

Last year,Shelley bought 6 pairs of designer jeans when her income was $40,000.This year,her income is $50,000,and she purchased 10 pairs of designer jeans.Holding other factors constant,it follows that Shelley

A) considers designer jeans to be a necessity.
B) considers designer jeans to be an inferior good.
C) considers designer jeans to be a normal good.
D) has a low price elasticity of demand for jeans.