How does MPA Calculates the amortization in every month

Hi Team,

Could you please clarify how MPA calculates monthly amortization? For instance, we tested the scenario outlined below and would like to understand how the system distributes the amount across each period or handles it month by month.

Case1
MPA Start Date: 1-Jan-2025
MPA End Date: 31-Dec-2025
Invoice Amount: 20828.75
MPA Program executed in
May-25: 8678.65
Jun-25: 1735.73
Jul-25: 1735.72
Aug-25: 1735.73
Sep-25: 1735.73
Oct-25: 1735.73
Nov-25: 1735.73
Dec-25: 1735.73

Case2

MPA Start Date: 1-Jan-2025
MPA End Date: 31-Dec-2025
Invoice Amount: 20337.42
MPA Program executed in
May-25: 8473.93
Jun-25: 1694.78
Jul-25: 1694.79
Aug-25: 1694.78
Sep-25: 1694.79
Oct-25: 1694.78
Nov-25: 1694.79
Dec-25: 1694.78

Thanks,
Araf Shaikh