Last Year,Olivia Bought 6 Pairs of Shoes When Her Income

Multiple Choice

Last year,Olivia bought 6 pairs of shoes when her income was $50,000.This year,her income is $55,000,and she purchased 8 pairs of shoes.Holding other factors constant and using the midpoint method,it follows that Olivia's income elasticity of demand is about

A) 0.33,and Olivia regards shoes as an inferior good.
B) 0.33,and Olivia regards shoes as a normal good.
C) 3.00,and Olivia regards shoes as an inferior good.
D) 3.00,and Olivia regards shoes as a normal good.