The memento pattern
As the team progresses and is now focused on creating effective and efficient functionalities, Universal Call Center's management team decides to provide the sales team with a comprehensive functionality to generate quotes on the fly. The development team decided to create a Visualforce page within Salesforce to enable sales persons to generate quotes and present it to customers.
So, the team created a Visualforce page and controller to create a single page, which enables sales persons to select various products and generate quotes.
The following screenshot shows the final Visualforce page output created by developers:
All was ...