1st Dimension: Promotion.
Promotions are often offered to provide customers an incentive to try out a new product or service. Online travel agents sometimes offer frequent flyer miles from the airline of your choice. Generally frequent flyer miles are valued at two cents, however, depending on how miles are used, the value of a mile can vary from one cent to eight or nine cents. For our scenarios, the online travel agents offer either 250 frequent flyer miles, 500 frequent flier miles, or 1,000 frequent flyer miles. At 2 cents/mile this is equivalent to $5, $10, or $20 respectively. This is a one-time promotion.