Prdue Pharma's L.P. COSO and COBIT framework for internal control? Please make sure to be detailed when listing all parts of the framework related to the OxyContin scandal. This is not a question about the background of the company or OxyContin, but rather how COSO and COBIT in used in the Prdue Pharma internal control. Please use a detailed explanation for the framework including dates, names, and examples from the scandal, and also answer all parts of the COSO and COBIT framework in an organized way. Please do not just provide the definition of COSO and COBIT, but rather how it relates to the internal control of Purdue Pharma.