Blake is a member of an audit team conducting an external, independent audit of a company. He has undertaken this audit for a number of years now and knows the staff of the company well, including the management accountant of the company, with whom he plays golf once a month. Which fundamental ethical principal from the International Federation of Accountants (IFAC) code of ethics and in Australia the accounting professional organisations' code of ethics (APES110), is the most likely to be threatened in these circumstances? Select one: O a. Professional competence and due care O b. Public interest O c Objectivity O d. Confidentiality o e. Integrity