3. Helen owns an ice cream store in Candyville. The ice cream stores are monopolistically competitive, as each offers slightly different flavours, toppings, and packaging. Each ice cream store has MC = 1+2q and TC=2+q+q2. a. If demand for Helen's ice cream store is given by Q = 20 2P in the shortrun, how much candy will she produce and how much will she charge per unit? b. What Helen's profit? In the shortrun, what conditions would cause Helen to shut down? How about in the long run? c. If Helen is making positive economic profits, what will happen in the market? How will the demand curve change? d. Think about the graph of monopolistically competitive firm in the long run. How will the graph be different if they are perfectly competitive firms