Assume that you are now the advisor to the Executive Vice President and Chief Operating Officer for Walmart U$.$S$.,$ Chris Nicholas. In this role, you are responsible for providing recommendations in all aspects of Walmart's U$.$S$.$ Store Operations and Supply Chain. This includes but is not limited to strategy, innovation, automation, store operations, inventory management, distribution center and fulfillment center operations, and last$-$mile delivery capability. Your objective is to assist in boosting in$-$store sales and profit over the next three years. Pick two out of six OM functions and provide operational recommendations to Chris$$Nicholas for those functions.