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 increases from $310 to $350:

A) total consumer surplus would fall by $120.
B) total consumer surplus would fall by $90.
C) Kamal and Javier would experience a decrease in consumer surplus, but Martina's consumer surplus would rise.
D) Kamal would experience a decrease in consumer surplus, but Martina and Javier would experience a rise in consumer surplus.