As a Microsoft Fabric Analytics Engineer Associate, you are tasked with designing a solution for a retail company that aims to analyze customer behavior and preferences to enhance their marketing strategies. The company has provided you with a comprehensive dataset including customer transactions, product information, and demographic data. The solution must adhere to the following constraints: it should be cost-effective, scalable to accommodate future data growth, and comply with data privacy regulations. Considering these requirements, which of the following techniques would be the MOST appropriate to implement for gaining actionable insights into customer behavior and preferences? (Choose one correct answer)