Please provide the answer with specific expert answers to the follwoing. Thank You

2. Regulation

The conceptual famework provides the foundaion for these standards Hines argues that the conceptual framework has been used to legitimize the accounting profession, especially in times when the profession has come under attack.

a) explain which thoery of regulation best supports such an argument.

b) discuss how the conceptual framework has changed in the last decade and whether these changes support or negate Hines' argument above.