You have a maximum cost-per-click (max. CPC) bid of US$2 for a keyword. To determine the prospective impact of raising this bid to US$3, you could use:

You have a maximum cost-per-click (max. CPC) bid of US$2 for a keyword. To determine the prospective impact of raising this bid to US$3, you could use:

A) Portfolio Simulator
B) Bid Simulator
C) Keyword Simulator
D) CPC Simulator