At the moment, there are various features that Google have prepared for the users to help them advertise their business. One of the easiest ways to promote in Google is though google adwords. To promote in Google AdWords, first, you need to make the advertisement that you want. Then, AdWords will start to spread the advertisement.
After the advertisement is delivered to the public, you can check whether the advertisement is successful or not. One of the ways to do so is by finding your CPA. You need to find the Cost Per Action that can be abbreviated as CPA figure, which is the money you will pay Google for every success.
For example, if you sell shoes and you spend $ 20 on Google each sale a pair of shoes, your CPA is $ 20. The CPA may be good or bad, but at least you have found a fixed number. The, you need to determine if your CPA is adequate. You probably need to improve your ads if you are satisfied, or re-plan your keywords and ads or re-fund.