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15 Retained earnings versus new common stock Using the data for a firm shown in the following table, calculate the cost of retained earnings and the cost of new common stock using the constant-growth valuation model (Click on the icon located on the top-right comer of the data table below in order to copy its contents into a spreadsheet) re T Projected Current market Dividend dividend per price per share growth rate share next year $50.00 9% $1.50 Underpricing Flotation cost per share per share $2.00 $2.25 In a. The cost of retained earnings is 0% (Round to two decimal places.) b. The cost of new common stock is % (Round to two decimal places.) E In ac Qud Q A