'Walkmans' That Played Audio Cassettes Were Withdrawn from the Market

Multiple Choice

'Walkmans' that played audio cassettes were withdrawn from the market by Sony Corporations soon after MP3 players became popular among consumers.Which of the following factors is most likey to have led to this outcome?

A) Scarcity
B) Corporate governance
C) Consumer sovereignty
D) Corporate social responsibility
E) Tragedy of Commons