5. Exchange (Exchange) will have to use the reference, such as stamps, or Bonus Points coming on do not always make it to the shop. Other brand or product
5. Exchange (Exchange) can be used to reference such as stamps or Bonus Points is always an intermediary in the exchange. To keep available to store brands or other products.
5. Exchange (Exchange) exchange is to use what reference such as stamp or Bonus Points as central to the exchange. To prevent it at the store brand or other products.