When Brenda Was in College,she Worked Part-Time Delivering Pizzas and She

Multiple Choice

When Brenda was in college,she worked part-time delivering pizzas and she ate five boxes of macaroni and cheese per week.After graduation,she became a high school teacher and ate only two boxes of macaroni and cheese per week.From this information,

A) macaroni and cheese is a normal good for Brenda
B) the law of demand applies to macaroni and cheese for Brenda
C) macaroni and cheese are substitute goods
D) macaroni and cheese is an inferior good for Brenda
E) Brenda's income elasticity of demand for macaroni and cheese is positive