Answer:
C. 400; 0
Step-by-step explanation:
The table given can be explained as follow:
Each row contains three information the price of each T-shirt, the quantity of T-shirt that the producers would produce at the equivalent price and the quantity of T-shirt that the consumers demand at the equivalent price.
So from the last row of the table, it can be concluded that: the price of T-shirt is $50 per T-shirt. At this price, producers will supply 400 T-shirts and consumers demand 0 T-shirts.
So that the answer is 400; 0