The correct answers are: Outsourcing the internal audit function may be more expensive than maintaining an in-house function; Outsourcing the internal audit function may result in the loss of control over the function; Outsourcing the internal audit function may involve making existing internal audit staff redundant.

Outsourcing the internal audit function may be more expensive than maintaining an in-house function, but it may be cheaper. It may result in the loss of control over the function but it does not mean that the directors of Dot Com no longer have responsibility for the function. It may involve making existing internal audit staff redundant (although such staff are sometimes employed by the outsourcing company). Outsourcing the internal audit function may or may not mean that the internal audit function will operate more efficiently and cost-effectively.