Problem
Give an example of a normal good. What is the income elasticity of a normal good? Give an example of a luxury good. What is the income elasticity of a luxury good? Give an example of a necessity. What is the income elasticity of a necessity? Give an example of an inferior good. What is the income elasticity of an inferior good?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.