Many large supermarket chains such as Hy-Vee and Albertson's have added ready-to-cook and ready-to-serve meal options as well as dine-in café's in recognition that today's busy families are eating out more often and have less time to prepare meals in their home kitchen. These grocery stores are responding to changes in:
a. consumer values.
b. competitive forces.
c. technological changes.
d. economic factors.
Answer: a. consumer values.