Product differentiation is a key component of monopolistic competition. Given the scenarios, Match them accordingly by how products are differentiated.

a. GrrrArg! Productions attempts to carve out a niche in the crowded zombie film industry by specializing in movies featuring only finger -puppet zombies.
b. Jay is a Korean pop star, and as such, he has long, flowing hair. One day, he decides to retire from the singing industry and walks to the local Products right outside his apartment, despite it being more expensive than the Supercuts 10 minutes away.
c. Wayne is a beginning photographer. He is in the market to buy a new camera lens and notes that certain lenses take clearer pictures but they become exponentially more expensive to purchase as the sharpness of the image increases. He chooses to start with the lowest grade lens (i. e. the cheapest).
d. The video game industry caters to a wide array of people, with games like Final Fantasy to appeal to the role playing type, Tekken for those who like fighting games, Halo for the first person shooters, and Super Mario for the adventurous.

1. Differentiated by Quality
2. Differentiated by Style/Type
3. Differentiated by Location