    Sentence 1: Tenet has been under scrutiny  since vernber , when former Chief  Executi Jeffrey Barbakgyv said the  compapy used aggressive pricing to trigger  higher Mpoyments for the sickest (Medicare  patients 9% .    Sentence 2: In Movember . Jeffrey Brabakow   the chief executive at the time . said the  company used® aggressive pricing to get  higher payments for the sickest Medicare  patients