Answer:
c. maximizes the combined welfare of buyers and sellers .
Explanation:
Welfare Economics simply deals with how the sharing/ allocation of resources affects economic well-being of people. The above statement of the fact that the result of welfare economics is that the equilibrium price of a product is considered to be the best price because it maximizes the combined welfare of buyers and sellers is true due to the fact that it takes the welfare and wellbeing of both parties into consideration.
