Consider the aggregate demand QB = 40,000 _ 23P. a. If the aggregate short-run industry supply is Q; = 145P 500 Find the perfectly oompetitive shortrun equilibrium price and quantity for the industry. Show your calculations. 1). If there is a single monopolist producer in this industry with a marginal cost of ME = 05115:\" instead what will the price and quantity be? Show your calculations. Compared to a.) does the price and quantityr you found make sense? Explain