Cost Per Click Is a Performance Measure in Which __________,Whereas

Cost per click is a performance measure in which __________,whereas cost per thousand is a performance measure in which __________.

A) a company paying a set amount to Facebook for every purchase that originated from an ad on a website; a company that pays pennies for every time its ad loads on a Facebook page, up to $10,000
B) a company that pays pennies for every time its ad loads on a Facebook page, up to $10,000; a company paying a set amount to Facebook for every time a user clicks on its ad
C) a company paying a set amount to Facebook for every time a user clicks on its ad and goes to its website; a company that pays pennies for every time its ad loads on a Facebook page, up to $10,000
D) a company paying a set amount to Facebook for every purchase that originated from an ad on a website; a company paying a set amount for the ad to be placed on the website for a certain amount of time