If it cannot be sold within months, will transfer the customer abreast of money. The company has a policy that it would refund customers do not need to set up accounts, deffered revenue.
If the customer can not be sold within a month time deposit. The Company's policy is to refund to customers. Do not have an account set deffered revenue.
If you can't sell in time within a month that customers transfer. The company has a policy to give back to the customer. So there's no need to set the account deffered revenue.