Computes and stores the payoff information that is available through the Lease Summary [F5] screen. The utility requires a portfolio number from the user and uses it to compute the payoff information for the assets attached to the leases in that portfolio. The utility will not process matured and paid off leases that is leases with status NMAT, NP and NC. It will also not process off-lease assets that is assets that are charged off or newly added to the inventory.