Answer:
d. purchase decision
Explanation:
Purchase decision -
It is the fourth step of the consumer purchase decision process , in this very step , the final purchase is made .
It is one of the very critical stage of the decision - making process .
As the consumer was well determined about the product , whether he or she need to buy the product in the very previous step , even in this any external factor can alter the decision of buying the product of not , like any negative feedback .
Hence, from the given scenario of the question,
The correct option is d. purchase decision .