When Current Balance Equals Payoff Balance
For most service agreements, payoff balance and current balance are always the same (or in colloquial speech - the amount the customer thinks they owe equals what they really owe). In this situation, an adjustment is easy: both payoff balance and current balance are adjusted by the same value.
Let's run through a typical example. The values in the payoff balance and current balance columns reflect the amount due after the financial transaction has been applied (i.e., the running balance):
| Date | Financial Transaction | Payoff Balance | Current Balance | 
| 1-Jan-99 | Bill: $125 | 125 | 125 | 
| 15-Jan-99 | Payment: $150 | -25 | -25 | 
| 2-Feb-99 | Bill: $175 | 150 | 150 | 
| 14-Feb-99 | Payment: $150 | 0 | 0 | 
| 3-Mar-99 | Bill: $200 | 200 | 200 | 
| 15-Mar-99 | Payment: $150 | 50 | 50 | 
| 2-Apr-99 | Bill: $225 | 275 | 275 | 
| 27-Apr-99 | Adj: Late Payment Charge $10 | 285 | 285 | 
As you can see, payoff balance and current balance are always in sync.
