Costly Corporation is considering using equity financing. Currently, the firm's stock is selling for $60.00 per share. The firm's dividend for next year is expected to be $5.30 with an annual growth rate of 6.0% thereafter indefinitely. If the firm issues new stock, the flotation costs would equal 15.0% of the stock's market value. The firm's marginal tax rate is 40%. What is the firm's cost of external equity?
1) 17.02%
2) 14.83%
3) 15.36%
4) 16.39%
5) 15.45%