Which best describes the relationship between maximum cost-per-click (CPC) bids and Ad Rank?

1. An increased CPC bid leads directly to a small increase in Ad Rank.
2. CPC bid only affects Ad Rank on the Search Network.
3. An increased CPC bid leads directly to a large increase in Ad Rank.
4. CPC bid is one factor that affects Ad Rank.

Correct Answer:

• CPC bid is one factor that affects Ad Rank.