The Extra Expense of Shopping at a Full-Service Retail Store

The extra expense of shopping at a full-service retail store instead of through an Internet retailer is most likely to be a good idea when the

A) customer has extra money to spend.
B) customer does not know which is the right product for him.
C) customer has time to shop around.
D) differences between various products are small.
E) customer knows exactly which product is the right one for him.