Read the following and then thoughtfully discuss the questions.  Often airline frequent flier programs upgrade high volume passengers one, three, or five days in advance.   Discuss •What are

Read the following and then thoughtfully discuss the questions.  

Often airline frequent flier programs upgrade high volume passengers one, three, or five days in advance.   Discuss 

•What are the differential costs of this practice? 

•What are the opportunity costs? 

•What are the opportunity costs of not doing this? 

•Would it be wise to sell a seat to a passenger walking up to the gate at the last minute a ticket based on the variable cost? Why or why not?