Higher relative wages for labor tends to

In order for a hotel to successfully price discriminate so that senior citizens are given a discount, the hotel must be able to

A) offset the economic loss from charging senior citizens a lower price by lowering the marginal cost of renting rooms to senior citizens. B) lower its prices to younger customers too. C) prevent senior citizens from reselling their rooms to younger customers. D) shift its demand curve rightward. E) determine if a senior citizen can pay a higher price.

Economists use the term "marginal" to describe costs and benefits

a. that are minimal and hardly worth noting. b. that are incremental and thus relevant to decision making. c. that are noteworthy but not the most important. d. whose importance can be minimized through hard work. e. none of the above.