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 nes common stock using the constant-growth valuation model. (Click on the icon here in order to copy the contents of the data table below into a spreadsheet) Projected Current market Dividend dividend per price per share growth rate share next year $42.00 8% $2.52 Underpricing Flotation cost per share per share $1.50 $2.50 a. The cost of retained earnings is % (Round to two decimal places.)