Nick Was Happy with His Newly Purchased Ultrabook Computer

Multiple Choice

Nick was happy with his newly purchased ultrabook computer. It had all the features he wanted, including wider screen, lightweight design, and a high-end graphics chip for playing games, and the $1200 price tag was reasonable. As he was taking the ultrabook out of the box, Nick noticed an advertisement in the local paper showing a similar ultrabook configuration for only $1100. Suddenly, Nick began to doubt his
Purchase decision - maybe he hadn't gotten such a good deal. He was experiencing:

A) cognitive dissonance.
B) selective discord.
C) product dissonance.
D) buyer's uncertainty.