Answer: C. perfectly competitive because tomato farmers produce identical products.
Explanation: The market for tomatoes is perfectly competitive because tomato farmers produce identical products. A perfectly competitive market is a market structure where there are many buyers and sellers, with prices reflecting supply and demand. It is characterized by identical or undifferentiated products, no transaction costs, no barriers to entry and exit which ensures that capital and other resources are highly mobile, and perfect information about the market among others.