Answer: D) B
Step-by-step explanation:
The Producer Surplus refers to the area below the Price Floor but above the Supply Curve and left of the new Quantity supplied. It comprises of areas B and E.
Before the Price Floor was introduced, area A, B and C were the Consumer Surplus as they were above the price but below the Demand Curve.
After the Price Floor was introduced however, area B has become a Producer Surplus.