The Practice of Offering the Same Multiple Price Schedule to All

The practice of offering the same multiple price schedule to all customers but require that customers do something to get the lower price-something that discourages customers with a high willingness to pay to take advantage of the lower price is referred to as _________.

A) first-degree price discrimination
B) second-degree price discrimination
C) third-degree price discrimination
D) price lining
E) high/low pricing