The market supply and demand conditions are given as follows. The individual demand is d: p = 20 - 10q. Also there are 20 identical firms, each firm's marginal cost is, MC(q) = 5 + 5q. There are 10 identical consumers.
a. Determine the equilibrium quantity and price.
b. What would be the quantity and price produced if a monopolist owns the 20 identical firms?