(1) 何謂固定生產要數(fixed factors)及變動生產要數(variable factors)? (6%)

Question 1 Consider a quantity-competition oligopolistic market. There are 9 firms and each firm has a cost C(q)=0.28q+1.6. Suppose that market demand is Q=1,000-1,000P. Answer the following questions. Find firm's output q= _______ and profit π= _______ market price P= _______ and output Q= _______