“Valuing Rio Tinto Company Ltd: Estimating Stock Price and Cost of Capital, and Analyzing the Impact of an Important Announcement”

You will value the company stock price and estimate cost of capital, and estimate the impact of an important announcement on its stock prices. In this assessment you  will use rio 
tinto company ltd as the basis for the assesment  in part A 
PART A company allocation : RIO TINTO COMPANY LTD