CASE 5-3 and Case 5-5 Bonanza Trading Stamps, Inc., was formed early this year to sell trading stamps. throughout

, was formed early this year to sell trading stamps. throughout the southwest to retailers,may be exchanged are given free to retailers, who distribute the stamp free to their customers. Books for accumulating the stamps and catalogs illustrating the merchandise for which the stamps may be exchanged are given free to retailers for distribution to stamp recipients.Centers with inventories of merchandise premiums have been established for redemption of the stamps.
Retailers may not return unused stamps to Bonanza

Case5-5
In 2013 Airbus announced a contract to deliver 50 A380 airplanes to Emirates for $20 billion to be delivered between 2016 and 2018.
Required:
Outline the five-step revenue recognition process for this transaction.