Functional Manager has made a few significant large changes to the project directly without taking Project Plan and CCB into consideration. He does not consider it necessary to abide by the Project Management Plan. He does not listen to the PM. As a PM how would you fix this?

A. Tell the Sponsor to talk to this Functional Manager about need for following the system B. Tell the team not to implement the changes made by functional manager C. Tell the Functional manager’s boss to interfere and solve the problem D. Tell the Functional Manager that changes can be made as per plan

& approved by CCB.