Would like your help to solve the problem as file attached.
https://docs.google.com/spreadsheets/d/1E3KTOYHuYIJy9uQKsvlXwbCpwL6cU1IHAQ-Yirb-AfQ/edit#gid=0
I would like each column to sum automatically (using ArrayFormula) when there is new name added and amount added in each row of the same column.