Zipcar is a car rental service found in many metropolitan areas. It targets people who take mass transit or carpool to work but who occasionally need a car to run errands, visit the doctor, or check on a sick child. Zipcar is one of a few companies currently providing cars that can be rented by the hour. Zipcar has created a(n) _____ advantage.
a) reengineering
b) experience curve
c) service differentiation competitive
d) alternative market
e) sustainable competitive
Answer: C