1. Click Administration > General Ledger Setup
  2. Click Define Transaction Mappings
  3. Click Development >Click on the Benefits tab
  4. Click Add
  5. Define your Credit and debit account codes/account numbers
  6. Under the Generation Criteria section choose the Revenue type of the benefit by clicking the arrow across from the "When Creating" field
  7. Choose the actual Benefit type by clicking the arrow across the "With Benefits of:" text
User-added image

Altru support will not be able to advise which accounts to use for your debits and credits as this is an internal business decision and is best determined by an accounting professional at your organization