Please teacher help me to Indicate the correct order for each of the following steps for formal complaints procedure. And please tell me from where can I get the answers, thank you.

Steps/Process	Order
Ask for more information if the facts are challenged, including additional evidence from witnesses
Investigate and determine whether the complaint has truth to it or not
Report on the procedure that's taken place, the evidence collected, the findings are recorded, and make a proposal
Implement the proposal or take other action
Notify the respondent of the details and ask for a reply
The complainant is interviewed, and the allegations are taken down