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Intel Corporation stock is currently selling for $30, its next expected dividend is $1.53 (D1= $1.53 ), and its expected constant growth rate is 4.0%. Intel is not expected to repurchase any stock. Intel's stock is thought to be in equilibrium, so its expected and required rates of return are equal. Based on these assumptions, what is its estimated cost of common equity? 9.1% 11.1% 12.5% 12.8%