Which of the following is an example of form utility?
a. an iPhone with a "multitouch" user interface for easy navigation
b. stamp vending machines that are located in drug stores
c. a service station that has a 24-hour ice machine available for use when the station is closed
d. a mobile phone company that offers six-month financing, same as cash
e. a gourmet candy store that offers a home delivery service
Answer: A