Adamson will pay a dividend of $2.5 per share at the end of this year; the dividend will grow at a constant rate of 4.5%. Its common stock now sells for $30 per share. New stocks are expected to be sold to net $27.50 per share. Estimate Adamson's cost of retained earnings and its cost of new common stock. O 13.21%; 13.59% O 12.83%; 13.59% O 13.16%; 14.31% O 13.21%; 14.00% O 12.83%; 14.00%