Tiffany, CPA is the auditor of X, Inc., a publicly traded company.X has hired Johnson Consulting to perform its internal audit function. This arrangement: 1. Is not permitted in a PCAOB audit. 2. Impairs the independence of Tiffany even if Tiffany has no relationship to Johnson Consulting. 3. Is only permissible if Tiffany sets control risk at the maximum 4. None of the above are correct. 1 2 3 4