The table above shows Tom's total utility from milkshakes and sodas. A soda costs $1.00. What is the marginal utility per dollar spent when the eighth soda is purchased?

According to the intertemporal substitution effect, a higher price level

A) decreases the quantity of real GDP demanded. B) lowers the costs of building new plants and equipment. C) increases the quantity of real GDP demanded. D) makes it less costly for people to buy houses and cars.

Which of the following are NOT true?

a. Credit cards are the same as debit cards when determining the money supply. b. Credit cards are included in M2 but not M1. c. Credit cards do not impact the demand for money. d. Credit cards are a means of payment. e. All of the above are true.