What should be created to meet this requirement?

Northern Trail Outfitters uses a third-party application for credit ratings. An external web-based credit application has to be launched from a customer’s account record in Salesforce. The application uses a credit ID on the account object.

What should be created to meet this requirement?
A . A workflow rule to launch the product fulfillment application and pass the credit ID
B . A custom button that calls an Apex trigger to launch the credit application and pass the credit ID
C . A custom credit ID field as an external ID on the account to launch the credit application and pass the credit ID
D . A formula field that uses the hyperlink function to launch the credit application and pass the credit ID

Answer: D