A large business-to-consumer (B2C) customer is planning to implement Salesforce CRM to become a customer centric enterprise. Below is their current system landscape diagram.

The goals for implementing Salesforce includes:
1. Develop a 360 degree view of the customer.
2. Leverage Salesforce capabilities for marketing, sales and service processes.
3. Reuse Enterprise capabilities built for quoting and order management processes.
Which three systems from the current system landscape can be retired with the implementation of Salesforce? (Choose three.)