Amarket has four individuals, each considering buying a grill for his backyard. further assume that grills come in only one size and model. abe considers himself a grill-master, and finds a grill a necessity, so he is willing to pay $400 for a grill. butch is a meat-lover, honing his grilling skills, and is willing to pay $350 for a grill. collin just met the girl of his dreams, and she loves a good grilled steak, so in his effort to impress her he is willing to pay $320 for a grill. daniel loves grilled shrimp and thinks it might be cheaper in the long run if he buys a grill instead of eating out every time he wants grilled shrimp, so he is willing to pay s200 for a grill.
if the market price of grills increases from $310 to s350, given the scenario described:

a. collin would experience a decrease in consumer surplus, but abe and butch would experience a rise in consumer surplus.
b. total consumer surplus would rise.
c. collin and butch would experience a decrease in consumer surplus, but abe's consumer surplus would rise.
d. total consumer surplus would fall.