An individual sees her income rise from $80,000 to $88,000, and along with it, her consumption of Good X has decreased from eight dozen packages per year to six dozen packages per year. Good X should be classified as a(n): —

单选题 编号：2692220

1. An individual sees her income rise from $80,000 to $88,000, and along with it, her consumption of Good X has decreased from eight dozen packages per year to six dozen packages per year. Good X should be classified as a(n):