1) what is the best argument heather yates can make to justify charging windham pharmaceuticals for impressions instead of click-throughs? (in other words, how can heather yates convince windham pharmaceuticals to stick with mednet rather than take their advertising dollar to marvel? ) in answering this question, make use of the quantitative information provided in the case (including in the exhibits at the end of the case); feel free to calculate income, profit, or roi to make a case.