Please explain what is the 100% rule. Moreover, how can the 100% rule help the PM to validate the project requirements and deliverablesPlease explain how the traceability matrix can help the PM and...

Please explain what is the 100% rule. Moreover, how can the 100% rule

help the PM to validate the project requirements and deliverablesPlease explain how the traceability matrix can help the PM and project team ensure user acceptance of the project deliverables.