| Answer | Crossword Clue |
|---|---|
| FEE | Phone bill addition |
| EXT | Phone no. addition |
| EXT | Phone number addition (abbr.) |
| TIP | Bill addition |
| TAX | Bill addition |
| RIDER | Bill addition |
| SALESTAX | Bill addition |
| RIDER | Bill addition. |
| TIP | Restaurant bill addition |
| RIDER | Addition to a bill. |
| RIDER | Addition to a bill |
| RIDER | Addition to a bill or contract |
