Jemisen's firm has expected earnings before interest and taxes of $1,400. Its unlevered cost of capital is 12 percent and its tax rate is 34 percent. The firm has debt with both a book and a face value of $2,100. This debt has an 8 percent coupon and pays interest annually. What is the firm's weighted average cost of capital?

a) 11.04 percent

b)11.51 percent

c) 11.89 percent

d) 10.98 percent

e) 11.21 percent