The marketing department is considering a shift to internet-based advertising. The advertising rates and demographics of several different options are shown below. The marketing campaign goal is to reach the following audiences: Age 18 to \\( 25-1,000,000 \\) impressions Age 26 to \\( 35-1,500,000 \\) impressions Age 36 to \\( 45-750,000 \\) impressions What mix of advertising investment will be most economical while still meeting the goals? Note: Round your answer to the nearest whole number value