Revenue Recognition Retail Pharmacy Segment For front end sales, the Retail Pharmacy segment recognizes revenue from the sale of merchandise at the time the merchandise is sold. The Retail Pharmacy segment records revenue net of an allowance for estimated future returns. Return activity is immaterial to revenues and results of operations in all periods presented. For third party payor pharmacy sales, revenue is recognized at the time the prescription is filled, which is or approximates when the customer picks up the prescription and is recorded net of an allowance for prescriptions that were filled but will not be picked up by the customer. For all periods presented, there is no material difference between the revenue recognized at the time the prescription is filled and that which would be recognized when the customer picks up the prescription. For cash prescriptions and patient third party payor co-payments, the Retail Pharmacy segment recognizes revenue when the patient picks up the prescription and tenders the cash price or patient third party payor co-payment amount at the point of sale. Prescriptions are generally not returnable. The Retail Pharmacy segment offers a chain wide loyalty card program titled wellness +. Members participating in the wellness + loyalty card program earn points on a calendar year basis for eligible front end merchandise purchases and qualifying prescriptions. One point is awarded for each dollar spent towards front end merchandise and 25 points are awarded for each qualifying prescription. Members reach specific wellness + tiers based on the points accumulated during the calendar year, which entitles such customers to certain future discounts and other benefits upon reaching that tier. For example, any customer that reaches 1,000 points in a calendar year achieves the "Gold" tier, enabling them to receive a 20% discount on qualifying purchases of front end merchandise for the remaining portion of the calendar year and also the next calendar year. There are also similar "Silver" an