You own a pizzeria in downtown Chicago. With call extensions, a customer who searches for pizza on her mobile phone can see your ad along with your phone number and make the call with one click. How is that priced

You own a pizzeria in downtown Chicago. With call extensions, a customer who searches for pizza on her mobile phone can see your ad along with your phone number and make the call with one click. How is that priced
Ans: The cost is the same as a standard click on the ad.