Which of the following quotes by a store manager describes price discrimination in action? Select one: a. "I can get a 4-litre jug of milk from the supplier for less than four 1-litre cartons, so I can sell it for less per litre." O b. "I offer discounts if you buy 12 apple juices in one box, although it costs me the same as if I split it up and sell them separately." O c. "Since bulk goods are cheaper to package, I can offer a lower price." O d. "We offer our employees a 10 percent price discount" O e. "We set price equal to average variable cost."