marigold inc.'s common stock currently sells for $40 per share, but the firm will net only $34 per share if it issues new common stock. the firm recently paid a dividend equal to $2 per share on its common stock, and investors expect the dividend to grow indefinitely at a constant rate of 10 percent per year. what is marigold's cost of new common equity? group of answer choices 16.47% 6.47% 15.50% 15.88% 15.00%