1. True/False explain. If a statement is true, then show why. If a statement is false, then show why and then say what would make the statement true.
   1. If Sarah gets a job promotion, then we expect at any given price her quantity demanded of all goods to increase.
   2. You will see more Gillette men's razor blades in the Walmart clearance aisle after the American Medical Association announces that men who shave their heads are less likely to die of heart failure.
   3. The price of the Camaro will increase if Chevrolet announces that next month it will offer $3,000 rebates on new Camaros.
   4. Suppose labor and capital are considered to be perfect one-for-one substitutes for a producer. If the market price ratio is w/r = 0.95, then the producer will hire 5% more capital than labor.