• Marketing spend
• Cost-per-click
• Cost of goods sold
• Profit

The correct answer is: Profit

Explanation: Profit is a strong example of a business objective necessary when adopting an AI-powered solution. The initial step in implementing any Google AI solution is to identify the business objectives that will drive and measure business results, such as profit. This will subsequently guide the related marketing metrics like total revenue return on ad spend, profitability per pound invested, and the number of quality customers acquired.