Which of the following statements is correct? A$.$ The cost of equity for a firm does not depend on the risk associated with investment in that firm. B$.$ The forecasted return on a stock for an investor does not depend on the information about the stock that the investor possesses. C$.$ The forecasted return on a stock can be different across investors who have different forecasts of the firm's future performance. D$.$ The realized return on a stock in a given period can be the different across investors who hold the stock in that period.