Answer:
e. search; credence
Explanation:
Search qualities are described as those things that can be analyzed before the purchase and are often considered as helpful for particular buyers to convince oneself about what should he or she buy. With different products, it is considered as easy for different buyers to test, touch, smell, and taste the products they are buying in order to determine whether it displays what they want or not.
Credence qualities are considered as a type of good with certain qualities that can't be observed by the different consumers after they bought or purchase the goods, that makes it difficult to analyze its related utility. Examples of credence automobile repairs, medical procedures, etc.