Answer:
The blank space contain the words "Post purchase dissonance"
Explanation:
Post Purchase Dissonance can be referred to as when the customer’s state of the mind and perception is in doubt after purchasing the product or service offered by a brand. This results in the customer either regretting the brand or in returning the product back from where he purchased.
Basically, the students would expect to pay the prices affixed in times of promotion. This is especially so if the promotions programs are done on a constant basis and if they result to massive interests in the products on offer.
In reality though, the students would have expected to pay the normal prices since promotions are temporary and can never and should never be used as a main selling strategy.