2 Matching market structures (6%) Demand for a product is given by p = a - bQ, where Q is the total consumed volume. Each production company has supply costs given by f(q) = cq + dq , where q is the supply by that company. All parameter values are non-negative: a, b, c, d 2 0 a) Assume parameter values a = 10, d = 0, and a perfectly competitive market. We observe a market price p = 2. What is the value of c? b) Assume parameter values a = 10, b = 1, c = 0, and an oligopolistic market structure a la Cournot. We observe a market price p = 2. What is the value of d, and how many producers are in the market