here is the question

A per unit subsidy of EX (where X > 0) is introduced in a market. Hence: Select one answer: O Consumers of the good will pay a price that is EX lower than before the tax was introduced. O Producers of the good will receive a price that is EX higher than before the tax was introduced. The subsidy cost is equal to the total amount of money gained by consumers and producers as the subsidy is introduced. O The market outcome might be more efficient after the introduction of the subsidy