Your company's stock sells for $50 per share, its last dividend (D0) was $2.00, its growth rate is a constant 5 percent, and the company would incur a flotation cost of 15 percent if it sold new common stock. Net income for the coming year is expected to be $500,000 and the firm's payout ratio is 60percent. The firm's common equity ratio is 30 percent and it has no preferred stock outstanding. The firm can borrow up to $300,000 at an interest rate of 7 percent; any additional debt will have an interest rate of 9 percent. Your company's tax rate is 40 percent. If the firm has a capital budget of$1,000,000, what is the WACC for the last dollar of capital the company raises?

a. 9.94%

b. 6.76%

c. 11.81%

d. 3.78%