1. go to the Transaction Dashboard (blue pencil)
2. click the ComputeBatches TV
3. find the record where you created the new charges (it should be close to the top)
4. select the record
5. right-click 
6. Void ComputeBatch
7. once this process finishes, click the blue pencil again
8. then click Verify Charges under the Processes header (towards the middle of the screen)
9. you should see a record for your Voided transactions
10. select the record
11. click Run Report at the bottom. You can close the report that pops up
12. click Verify
13. go back to the billable and run the Supplement