To track conversion goals, analyze both sales and return on ad spend (ROAS)—these metrics show total revenue and advertising efficiency for your Amazon Ads campaign.

• Return on ad spend and traffic
• Sales and ad engagement
• Sales and return on ad spend

The correct answer is: Sales and return on ad spend

Explanation: After running a campaign aimed at awareness and engagement, to assess if you met your conversion goals, you should measure sales and return on ad spend (ROAS) in addition to ad cost of sales. Sales show the total revenue generated during the campaign, while ROAS measures how efficiently your ad spend drove that revenue. These metrics together provide a clear picture of your campaign’s conversion effectiveness and profitability.

Reference: https://advertising.amazon.in/help/G78DVL9PAZZ83KQX