单选题 An individual sees her income rise from $ 80000 to $ 88000, and along with it, her consumption of macaroni has decreased from eight dozen packages per year to six dozen packages per year. Which of the following is closest to the income elasticity of her demand for macaroni, and should macaroni be classified as a normal good or an inferior good? Income elasticity Type of good ①A. -3.0 Inferior ②B. -3.0 Normal ③C. -0.33 Inferior A. ① B. ②C. ③