Which of the Following Is Not a Valid Criticism That

Which of the following is not a valid criticism that management will enter performance-based contracts that will reward or constrain their behaviour,to maximise the value of the firm?

A) It assumes management can gain more by entering a performance-based contract than by continuing to act opportunistically.
B) It relies on credible accounting numbers to monitor performance, but there is no incentive to provide credible unbiased information.
C) It assumes that managers always act from self-interest and do not attempt to maximise the value of the firm, which may not be true.
D) It is too difficult to achieve in practice if there is a multitude of different contracting parties.