This example uses FDELETE to delete an empty directory to which you have write access. If the directory is not empty, the optional SYSMSG function returns an error message stating that SAS is unable to delete the file.
Costcoâs business model is called a subscription business model â customers who want to shop at the store must buy a membership (currently $55 in the U.S.) with the promise of lower prices to make up for the initial upfront cost.
By Vanessa Page | Updated June 29, 2016 â 3:24 PM EDT. Numerous critics say prices at Costco Wholesale Corp. (COST), the members-only, big box discount retailer, aren't competitive. Its membership fees â $55 per year for a basic card or $110 per year for a 2% cash back card â are also too high, they say.