You may need to adjust your bids depending on the performance of your bid optimization strategy. Which of the following bid adjustments should you consider?

Identify keywords and products with higher conversion rate and increase their bids
Identify the keyword and products with higher viewable cost per mille (vCPM) and decrease bids
Identify the keyword and products with lower ACOS and decrease bids

The correct answer is:

Identify keywords and products with higher conversion rate and increase their bids