Final answer:
The subject of this question is Mathematics. The question is asking about a demand schedule for a new video game that shows how many copies of the game people will buy at different prices.
Step-by-step explanation:
The subject of this question is Mathematics. The question is asking about a demand schedule for a new video game that shows how many copies of the game people will buy at different prices. The table in the question represents this demand schedule, with the price decreasing and the quantity demanded increasing.