Lori and Monica are looking at the cans of coffee on display at a local supermarket. They are trying to decide which of two different-sized cans is a better buy. Lori attempts to divide the price of each can by the number of ounces of coffee each contains. Monica suggests that the larger size is usually a better buy. Lori is using a(n) _____; Monica is using a(n) _____.a. heuristic; algorithm b. algorithm; heuristic c. prototype; algorithm d. heuristic; prototype