You are a data engineer working on a project that involves managing a large dataset stored in Delta Lake on Microsoft Azure. The dataset contains several years of sales data, and your task is to optimize the storage and retrieval processes while ensuring efficient archiving or deletion of old data to comply with data retention policies. The solution must be cost-effective, scalable, and minimize the impact on query performance. Considering these requirements, which partitioning strategy would you implement? Choose the best option from the following: