$.$ Identify the correct statement about extended problem solving.

a$.$

It occurs when the consumer recognizes that a problem exists yet does not have a strong preference for either the brand or the store.

b$.$

The consumer has a strong preference for the brand to buy and the retailer from which to purchase it$.$

c$.$

It typically involves infrequently purchased expensive products of high risk.

d$.$

The consumer may not have a store choice in mind but may have a strong preference for the brand to purchase.

e$.$

The consumer relies on past experience and learning to convert the problem into a situation requiring less thought.