Advertising expenditures, the amount of money companies spend on advertising for their specific products and services, is provided in reports compiled by Leading National Advertisers. Each quarterly report estimates how much advertising support was given to each advertised product overall and in each of the ten monitored media (magazines, Sunday supplements, newspapers, network television, spot television, syndicated television, network radio, national spot radio, cable television, and outdoor advertising). Information on advertising expenditures helps the agency track competitive activity and determine optimal advertising budgets