Price ($) Figure 4 21. Refer to Figure 4-. Suppose a technological innovation reduces firms' costs, particularly at higher levels of production. If this market is perfectly competitive, what is the impact on producer surplus? a] Producer surplus decreases from $450 to $0 b] Producer surplus remains constant c) Producer surplus increases from $450 to $1,350 (1) Producer surplus increases from $450 to $1,800