Respond to each of the following questions in150-200 words each covering the economic topics and conceptsdescribed in chapter 9 and 10 of the text Essentials of HealthEconomics. a) Explain the unique characteristics of the fourprimary market structures.b) Explain why economic profits are zero in the longrun in a monopolistically competitive market.c) What are the characteristics of a publicgood?d) Discuss the two ways that product differentiationaffects the demand for a product.e) Describe at least five different forms ofgovernment intervention in the economy.