Kathy is driving Chaz, her young son, home from soccer practice when Chaz says, "Mom, I'm thirsty." Kathy immediately pulls the car into the nearest gas station and buys Chaz a Coke. For Kathy, the Coke is best described as an example of buying a _____ product.
a) homogeneous shopping
b) heterogeneous shopping
c) convenience
d) specialty
e) component
Answer: C