Effective differential pricing over time will generally
decrease the level of product availability for the consumer willing to pay full price and also
decrease total profits for the retailer.

increase the level of product availability for the consumer willing to pay full price and also increase total profits for the retailer.
decrease the level of product availability for the consumer willing to pay full price but will increase total profits for the retailer.
increase the level of product availability for the consumer willing to pay full price but will
decrease total profits for the retailer.