the market for which item generally involves pure competition?\ncola\ncorn\njeans\nice cream

the market for which item generally involves pure competition?\ncola\ncorn\njeans\nice cream
Answer
Brief Explanations:
In pure - competition markets, products are homogeneous. Corn is a homogeneous agricultural product. Cola, jeans, and ice - cream are differentiated products with brand, taste, style, etc. differences among competitors.
Answer:
B. corn