The marketsupply and demand functions for a good traded on a perfectly competitive market are: 00 = 40 2F' 03: 15 + BP The equilibrium price in this market is 5 ' and the equilibrium quantity is lithe production of each unit of this good gives rise to a social cost of $1, what is the socially optimal equilibrium quantityI and price? Assume that producers pay a ta): of $1 per unit. Price (including tax}: 5 . Quantity: lithe production of each unit of this good gives rise to a social benefit of $5, what is the socially optimal equilibrium quantity and price? Assume that producers receive a subsidy of$5 per unit. Price (including subsidy): Fl: _ Quantity