When Should Each of the Following Companies Recognize Revenue for the Following

Short Answer

When should each of the following companies recognize revenue for the following operations? Identify potential revenue recognition issues or risk exposures facing the company:
a. Costco Wholesale Corporation collects annual membership fees from customers.
b. The New York Times receives advertising revenues in advance from Citigroup, for an ad campaign that will run a full-page spread once a week for six months.
c. Zappos is an online clothing and shoe retailer. It receives credit card payments when customers place their orders and ships products from warehouses within 5-7 business days.
d. Ticketmaster contracts with the producer of Blue Man Group to sell tickets online. Ticketmaster charges each customer a fee of $7 per ticket and receives $12 per ticket from the producer. Ticketmaster does not take control of the ticket inventory. Average ticket price for the event is $99.