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10-5 Problem 10-10 Valuation of a dedining growth stock Martell Mining Company's ore reserves are being depleted, so its sales are falling. Also, because its pit is getting deeper each year, its costs are rising. As a result, the earnings and are declining at the constant rate of 7% per year. If D34 and rs-13%, what is the value of Martell Mining's stock? Round your answer to two decimal places