A new cross-functional project team is forming with members from engineering, marketing, sales, and customer support. Early meetings have revealed different communication styles, work preferences, and expectations. What should the project manager do FIRST to establish effective team ground rules?

Implement the organization's standard project team charter and working agreements

Research best practices for cross-functional teams and implement proven ground rules

Facilitate a team session to collaboratively develop ground rules that address the team's diverse styles and needs

Survey each functional area about their preferred working methods and create rules based on common preferences