A Market Has Four Individuals, Each Considering Buying a Grill

A market has four individuals, each considering buying a grill. Assume that grills come in only one size and model. Martina considers herself a grill-master, and finds a grill a necessity, so she is willing to pay $400 for a grill. Javier is a meat-lover, honing his grilling skills, and is willing to pay $350 for a grill. Kamal wants to impress his friends with his vegetable grilling skills and is willing to pay $320 for a grill. Lina loves grilled shrimp and thinks it might be cheaper in the long run if she grills her own shrimp instead of eating out at a restaurant, so she is willing to pay $200 for a grill.If the market price of grills is $300, who will participate in the market?

A) Only Martina, Javier, and Kamal will participate
B) Only Kamal and Lina will participate
C) Only Martina and Javier will participate
D) Only Lina will participate