Answer:
Option B. is best option to buy.
Explanation:
There are two choices available to buy a loaf of bread.
Price of one loaf of bread = 53¢
If you buy one loaf at regular price of 68¢ per loaf, there is an offer of one loaf of bread free.
So 2 loaf of bread at 68¢. that is costs 32¢ per loaf, which is cheaper than first option.
therefore, second option is best buy choice.