Part a) Explain why profit maximisation is not the best goal for a company. What is the appropriate goal?

Part b) How can we measure systematic risk of a privately-owned firm? Explain.

Part c) Company ZYZ has a beta equal to 0.8. If the expected return on the ASX500 is 10%p.a. and the return on 10-year Commonwealth Government Bonds is 4%p.a., what would be the expected return for ZYZ shares?