Joe Receives a 20 Percent Increase in His Income from His

Multiple Choice

Joe receives a 20 percent increase in his income from his part time job and as a consequence decreases his consumption of Ramen noodles by 10 percent.Hence to Joe,Ramen noodles are

A) a normal good with a price elasticity of demand of 0.5.
B) a substitute good with a cross elasticity of 0.5.
C) a good with a price elasticity of supply of -0.5.
D) an inferior good with an income elasticity of -0.5.
E) an inferior good with an income elasticity of -2.0.