Finally Closing PO but PO value not reducing

Summary:

We have a 2-way match enabled for Purchase Orders (POs). In this case, the PO contains two lines with values of ₹100 and ₹200, totaling ₹300. Both lines are charged to the same project, and upon PO approval, a commitment of ₹300 is reflected in PPM for that project.

Subsequently:

• Line 1 (₹100) has been fully invoiced.
• Line 2 (₹200) remains unused.
• The PO has now been finally closed, which releases the budget associated with Line 2 and removes the corresponding commitment from the project.

However, even though the budget has been released, the PO value still displays ₹300 with a status of "Finally Closed".

Query:

Is there a way to