You manage the campaigns for a baby stroller manufacturer that sells its products online and through large retailers. To calculate the total profits from these campaigns, you should:

estimate revenue based on online sales, factor out gross margins, and subtract Google Ads costs
estimate revenue based on the value of a click, factor out gross margins, and subtract Google Ads costs
estimate revenue based on the value of an Google Ads customer, factor out gross margins, and subtract Google Ads costs
estimate revenue based on in store sales, factor out gross margins, and subtract Google Ads costs