Ally and Beth are at the grocery store. Ally buys a pound of Ambrosia apples for y=3x, where y is the total cost and x is the number of pounds. Beth buys Gala which is represented in the table below. Who spends less per pound on apples. How much less?
A) Beth spends less per pound on apples. Beth spends $0.50 less per pound.
B) Ally spends less per pound on apples. Beth spends $2.50 less per pound.
C) Beth spends less per pound on apples. Beth spends $2.50 less per pound.
D) Ally spends less per pound on apples. Beth spends $0.50 less per pound.