Taxation Law (Australia)

            Assess the significance of EACH of the following cases for the development of Australian tax law:

                        Californian Copper Syndicate v Harris (1904) 5 TC 159                 

Whitfords Beach Pty Ltd v FCT 82 ATC 4031

Myer Emporium Pty Ltd v FCT 87 ATC 4363.

Has the introduction of the capital gains tax diminished the importance of these cases in any respect?