In answering the followings please provide a clear figure with explanation(s) to support your argument(s):

Suppose that the Australian government undertakes an initial public offering (IPO) to make NBN Co a private company.

a) Assume further that post the IPO, the NBN Co operates as a private monopolist. With the help of a figure, identify the price the NBN Co would charge for its internet broadband. Do you think this pricing strategy is efficient from welfare standpoint? Explain your answer.