To Find the next month prediction

https://docs.google.com/spreadsheets/d/1RDbT1MWyuWrJdqkqFDklikSli8GTm6zJ/edit?usp=share_link&ouid=114259747417882795988&rtpof=true&sd=true

So What I am expecting is that the i need the Sum of total for the may month and feedback. So in clear on may 1 if i get total of 16605 means for that what feedback i would have get. Kindly please help me.

Thank you.