Columns from View Billing Extension Event Details page not found in the backend tables

Need backend tables or reference code for the below listed columns.

Navigation:
Navigator >> Contract Management >> Revenue >> Task >> Manage events >> query a contract >> action >> View Billing Extension Event Details

Below listed columns not found in the backend both from tables and subject areas.

Listing the required columns:
* ITD Actual Cost in Ledger Currency
* Budget Cost in Ledger Currency
* Funded Amount in Contract Currency
* Recorded Events in Contract Currency

for more detail please refer to the attached snip.

Thanks in advance..