Marketing and Sales users at Universal Containers would like more visibility into Lead and Contact participation in this years Trade Show. How would an Administrator build this into the application? Choose 2 answers

Marketing and Sales users at Universal Containers would like more visibility into Lead and Contact participation in this years Trade Show. How would an Administrator build this into the application? Choose 2 answers
A . Create Cross-object formula fields to display campaign member record details on a lead or a contact record
B . Alert lead and contact owners with workflow when a prospective customer regsiters for the event
C . Customize the campaign member related list on the lead or contact object
D . Create Cross-object formula fields to display lead or contact record details on a campaign member record

Answer: B,C