Jim sees in ad for a free ink cartridge, while supplies last, with the purchase of a printer. by the time him get to the store,
the limited supply of ink cartridge is gone. the salesperson offers to sell jim a cartridge with the purchase of a printer. which tactic is the store employing.
The store is employing the technique where they trap the consumers with flash news and hinder the important part of the deal. That way they attract the consumers and bring them to the store.
Once the consumer is in the store, there is a high possibility that the consumer will look at other things and quite possibly buy more than what he came there for.
