Please read the following and identify external agents, data flows, data stores and processes: Also create a data flow diagram. The new online music platform “Tunable” is now available for download. Customers are able to search for, purchase, and download new music through the Tunable app. Marketing managers analyze sales patterns to identify promotion decisions for new music. The system will then send email promotions to customers to encourage new music purchases. All payments are made through an external payment clearinghouse entity.