Which formula does Google use to rank keyword targeted ads on Google Search

A) (Maximum costperclick (CPC) bid + Daily Budget) / Quality Score

B) Maximum costperclick (CPC) bid x Quality Score

C) (Maximum costperclick (CPC) bid x Quality Score) / Daily Budget

D) Maximum costperclick (CPC) bid only

Ans:
B) Maximum costperclick (CPC) bid x Quality Score