3. For the following situations, describe the income and substitution effects, and whether the situation describes a normal good or an inferior good: a. The price of orange juice goes down, so Spock buys more orange juice. b. Spock gets a raise, and buys fewer generic-brand paper towels. c. Spock gets a raise, and buys more name-brand paper towels. d. The price of rice goes up, so Spock buys more rice