A company is designing a new Salesforce data model to manage its customer relationships more effectively. They have identified three main entities: Customers, Orders, and Products. Each Customer can place multiple Orders, and each Order can include multiple Products. The company wants to ensure that they can track the total revenue generated from each Customer over time. To achieve this, they decide to create a custom field on the Customer object that calculates the total revenue based on the related Orders and Products. What type of relationship should the company establish between the Customer and Order objects to facilitate this revenue tracking?