Answer:
Miles graduates from college and his his income increases by $35,000 a year. Nothing else changes. Miles decreases the quantity of hot dogs hot dogs and pretzels that he buys and increases the quantity of gourmet ice cream that he buys.
For Miles, gourmet ice cream is a normal good
Step-by-step explanation:
A normal good is a good for which demand increases when income increases and demand decreases when income decreases.
An inferior good is a good for which demand decreases when income increases and demand increases when income decreases.