16) If the supply of iPads increases, then i. the supply curve for iPads has shifted rightward.
ii. the price of iPads has decreased.
iii. there will be a movement upward along the iPad supply curve.
A) i only
B) i, ii and iii
C) i and ii
D) ii and iii
E) i and iii

30) Which of the following statements is correct?
A) Consumer surplus equals the price paid for a good.
B) The consumer surplus from a good is always larger than the total benefit from the good.
C) An increase in price decreases consumer surplus.
D) An increase in price has no effect on consumer surplus.
E) The consumer surplus from a good or service must always equal producer surplus.

33) A firm's marginal revenue is
A) the change in total revenue that results from a one-unit increase in the quantity sold.
B) total revenue minus total cost.
C) the change in total revenue minus the change in total cost.
D) the change in total revenue that results from an increase in the demand for the good or service.
E) less than the market price for a perfectly competitive firm.