Data shows that your client’s ad that appears to people in San Francisco gets 120 conversions at a cost of £1200 and cost-per-acquisition (CPA) of £10, while ads showing in Houston get 70 conversions at a cost of £1400 and CPA of £20. If you have a CPA goal of £12, what bid adjustment would you set for each location?

Data shows that your client’s ad that appears to people in San Francisco gets 120 conversions at a cost of £1200 and cost-per-acquisition (CPA) of £10, while ads showing in Houston get 70 conversions at a cost of £1400 and CPA of £20. If you have a CPA goal of £12, what bid adjustment would you set for each location?

§  +40% for San Francisco, -40% for Houston
§  +40% for San Francisco, -20% for Houston
§  +20% for San Francisco, -20% for Houston

§  +20% for San Francisco, -40% for Houston