Aggregate demand in an industry is Q(p) = 200-p where p is price and Q is quantity. Each competitor has a cost function of C(q) = (1/2)q^2 where q is an individual firm's quantity.

If there are 10 price-taking firms in the market, the competitive price and quantity are:

a. There is not enough information to figure this out.

b. Price = 20 and Quantity = 180

c. Price = 180 and Quantity = 20

d. Price = 90 and Quantity = 110

e. None of the above

Is the answer b?? Thank you!