& Explanation Solved by AI The correct answer is: d. The tool's capability to analyze purchasing behaviors. Explanation: When selecting an AI tool for personalized customer recommendations, the primary goal is to enhance customer experience by providing relevant and tailored suggestions. To achieve this, the AI tool needs to have advanced capabilities in analyzing purchasing behaviors. Why option d is correct: Personalization requires understanding customer preferences, purchasing history, and behaviors. An AI tool that excels in analyzing purchasing behaviors will be able to use data effectively to make accurate and relevant recommendations, thus increasing the effectiveness of personalized marketing. Why other options are less relevant: a. The number of retail clients using the AI tool: While a large client base can indicate reliability and trust in the tool, it does not directly relate to the tool's capability for personalized recommendations. b. The lowest initial cost of implementation: Cost is a factor, but prioritizing it could lead to sacrificing crucial features needed for high-quality personalization. c. The ease of integrating the tool with existing infrastructure: This is important for practical reasons, but the tool's ability to analyze purchasing behaviors is more critical for achieving the specific goal of effective personalization