Palmolive Liquid Detergent Is $2

Multiple Choice

Palmolive liquid detergent is $2.56 for a 64-oz bottle and $1.32 for a 22-oz bottle. Which is the better buy, and by how much?

A) the 64-oz bottle; by $0.02 per ounce
B) the 64-oz bottle; by $1.24 per ounce
C) the 22-oz bottle; by $0.02 per ounce
D) the 22-oz bottle; by $1.24 per ounce
E) the cost per ounce is the same for both sizes