Answer:
C. A more scarce product will rise in value.
Step-by-step explanation:
Take a look at things such as diamonds. People, for whatever reason, love rare things. Be it video games, precious jewelry, or the McRib sandwich, even though some of these things can be considered not valuable at all. I mean, have you tried a McRib? And also, Starbucks, take note that changing the cup doesn't make it any special.