Suppose the short run market price a competitive firm faces is 9 dollar and the total cost of the firm is : TC = 200 + Q + 0.02Q2 A) calculate the producer surplus at the equilibrium output B) find the output level that will make the profit of the firm zero

Suppose the short run market price a competitive firm faces is 9 dollar and the total cost of the firm is : TC = 200 + Q + 0.02Q2
A) calculate the producer surplus at the equilibrium output
B) find the output level that will make the profit of the firm zero