Firm A is a new producer in the market for good X, which is characterized by linear demand and supply curves. Initially, to attract customers, the firm prices its product low at $8 per unit. While the firm sells 1,000 units of the product at this price, there is a shortage in the market. This shortage can be cleared if price is increased to $10 per unit. The quantity demanded and supplied at this higher price will be 1,500 units. Rajiv Bose, a market analyst with firm A, claims that an increase in producer surplus would necessarily increase average profit for the firm. Which of the following, if true, would weaken Rajiv's claim? A. Costs increase significantly as production expands. B. Other firms in the industry are doing well. C. Good X has no substitutes. D. The supply curve is X shifts to the right. E. The demand for X increases substantially.