Need to Display Delta Obligated Amount in Mod Approval Notification

On :  12.2.2 version, Award/PO

Display Delta Obligated Amount in Mod Approval Notification 

When a CS (Buyer) submits a Modification for approval, the approval notification amount displays the change in the total contract value to include all options.

For options that exercise modifications (and so do not change this amount), the notifications display $0 in the title.

It should  show the change in obligated amount on the notification as well as the change in face value. The updated notification title should read In the example below it would display:

The updated notification title should read:

<Modification [PIID] for [Change in total contract value] (Obligation Change [Change in funded value]) requires your approval>