definiens: shalllmean:(i)withrespecttoServicessoldorperformed individually, thesumof(a)thegrosssalesofClient ~ BiI1ed Tests;(b)thegrosssalesofPatient - Billed Tests[lesstheBadDebtPercentage ] ; and(c)thenumberofThirdParty - Billed Testsmultiplied bytheAverageWeightedReimbursement ; and3(ii)withrespecttoCombination Services, thesumof(a)thegrosssalesofClientvBilled Tests;(b)thegrosssalesofPatient - Billed Tests[lesstheBadDebtPercentage ] ; and(c)thenumberofThirdParty - Billed Testsmultiplied bytheAverageWeightedReimbursement, multiplied bythefractionAfA+B, whereAisthelistpriceoftheServicesoldseparately duringtheroyaltyperiodinquestion, andBisthelistpriceoftheotherincludeddiagnostic processesorserviceswhicharenotServices