GRAINGER W W INC | 2013 | FY | 3


ADVERTISING
Advertising costs are expensed in the year the related advertisement is first presented. Advertising expense was $178 million, $173 million and $145 million for 2013, 2012 and 2011, respectively. Most vendor-provided allowances are classified as an offset to Cost of merchandise sold. For additional information see VENDOR CONSIDERATION above.

Catalog expense is amortized equally over the life of the catalog, beginning in the month of its distribution. Advertising costs for catalogs that have not been distributed by year-end are capitalized as Prepaid expenses. Amounts included in Prepaid expenses at December 31, 2013 and 2012, were $36 million and $46 million, respectively.