To solve the problem, we need to understand the concept of deadweight loss in the context of price ceilings or floors. In the given diagram, the market clearing price, where the demand and supply curves intersect, is at \(P_0\). However, the government has fixed the price at \(P_1\), which is above this equilibrium price.

When the price is set above the equilibrium price, it leads to a surplus in the market since the quantity supplied exceeds the quantity demanded. The deadweight loss, in this case, is the loss in total welfare or efficiency from not trading the equilibrium quantity.

Look at the areas marked in the diagram:

• Triangle ABE represents the loss in consumer surplus because consumers are purchasing less at a higher price.
• Triangle EBC represents the loss in producer surplus because producers are selling less, even though they could have sold more at a lower price.

The deadweight loss is the combined loss in consumer and producer surplus due to the reduction in quantity traded from \(Q_0\) to a lower quantity (let’s say \(Q_1\)), which is represented by the area of triangle ABE plus the area of triangle EBC.

Therefore, the correct answer is the Area of triangle ABE + area of triangle EBC.