Critically evaluate whether the audit expectation gap model is sufficient to be able to account for the perceived ethical failures suggested above? If yes, explain where and how the model accounts for expectations around ethics? If no, explain how you would adapt or change the model to better illustrate the expectations around ethical behaviour. b) Criticially evaluate the impact of these ethical scandals on the current state of the auditing profession. c) Critically evaluate whether these ethical scandals impact upon the professional practice concept of professional scepticism and/or reflect poorly on the application of professional scepticism. If you think that these scandals have no impact, then explain why that is. If you think that these scandals have an impact, explain what that impact might be.