You need to calculate the cost of equity capital for a firm that is traded on the Toronto Stock Exchange. Which of the following would likely be least helpful to you? A. The rate of return on stocks of similar risk. B. Knowledge of the stock's price six months ago. C. An investment publication that provides an estimate of the firm's beta. D. An investment survey that projects future dividend growth rates for the firm. E. A data set containing dividends paid for the past 10 years.

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