Carry over monthly values

[#1]

Hello

How do I sum monthly carryover values such that the December value will be the final value. See attached file.

I want the GrandTotal sum to be the December value (1800) that is carryover of December final value not (10,790)

[sunny_talwar]

Works in the straight table, but doesn't work in the bar chart

[#3]

I need on implement on chart