In a scenario where you are tasked with deploying a multi-tier application on Microsoft Azure, the application consists of a web front end, an application logic tier, and a database tier. Each tier has distinct requirements: the web front end must handle variable traffic loads efficiently, the application logic tier requires high availability and scalability to process business logic, and the database tier needs to support global distribution with low latency for read and write operations. Considering cost optimization, compliance with data residency laws, and the need for minimal management overhead, which combination of Azure services would you choose for each tier? (Choose two correct options)