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 here o. in order to copy the contents of the data table below into a spreadsheet.) Projected Current market Dividend dividend per Underpricing Flotation cost price per share growth rate share next year per share per share $66.00 8% $1.98 $1.00 $2.00 a. The cost of retained earnings is %. (Round to two decimal places.)