The term "real" as opposed to "nominal" means that economists are making adjustments for ________

____________: Represents the loss in value of a building over time associated with the aging and decay of its physical condition.

Fill in the blank(s) with the appropriate word(s).

Cruise liners offer last minute deals because

a. The marginal cost is higher than the marginal revenue since fixed costs are sunk b. The marginal costs of an additional passenger are very low at that point and companies gain by lowering prices c. The average cost of an additional passenger is very low at that point and companies gain by lowering prices d. All of the above