hi could i please have help with this question

The figure shows the demand and supply curves in the salt market. The government imposes a sales tax of 30% on the price of salt, to be paid by the suppliers. As a result, the equilibrium quantity falls from Q* to QT. Price of salt Market A Supply B C p* D F F Market Demand Q Q* Quantity of salt Which of the following statements is correct after the tax has been implemented? Select one: O a. Total gains from trade are (A + B + C + D + E + F). O b. Consumer surplus is (A + B). c. Deadweight loss is (B + C) which is 30% of the total surplus. O d. Tax revenue is (B + D). O e. The sales tax makes the salt market Pareto-efficient