Logan enjoys going to the local zoo. He does not like the price of the zoo food and beverages, however, as they are much more expensive than food in other places. When he does buy a drink, he usually goes for the extra-large because he gets a souvenir cup that he gets to keep. The souvenir cup represents which of the following?
a. Core product
b. Experiential benefits
c. Product lines
d. Brand extensions
e. Supplemental features