At the Kickin' Chicken Family Restaurant, Which of the Following

At the Kickin' Chicken Family Restaurant, which of the following menu items represents the company's attempt to price-discriminate?

A) A large soft drink costs $2.99 with unlimited refills, whereas a small soft drink costs $1.99, no refills.
B) The "chicken little tenders appetizer with fries" costs $8.99 while a "kickin' chicken tender basket with fries" costs $6.99; both have the same amount of tenders and fries.
C) Takeout orders of five or more buckets of chicken are $5.00 per bucket, while a single bucket costs $9.99.
D) The small-size potato salad is $1.49, while the large potato salad is $1.99.
E) The "bawk-buck" menu highlights restaurant items that are available for $1.00 or less every day.