Your client, HillTop, is a retailer of womens clothing. It has increased sales during the holiday season by advertising gift cards for in-store and online use. HillTop has found that gift card holders who come into the store tend to purchase goods that total more than the amount of the gift card. Further, about one-third of the gift cards never are redeemed, thereby yielding cash to the company without a reduction of inventory. What are the tax issues confronting HillTop related to the gift cards?