Answer:
a. Guidelines and standards and the stakeholder register
Step-by-step explanation:
The correct option is - a. Guidelines and standards and the stakeholder register
Reason -
Project charter consists of a map that contains rules, regulations, policies, procedure and responsibility so it need inputs. It is just like user manual.
WBS is Work Breakdown Structure which is the tool that utilizes the technique and is one of the most important project management documents.
When project starts, eventually it aims for good results.
When some project is not working good, then we have to do that project again with new processes and procedures until we get the desired result.