21. The current market value of the assets of Giant Inc. is $90 million, with a standard deviation of 20 percent per year. The firm has zero-coupon bonds outstanding with a total face value of S45 million. These bonds mature in 2 years. The risk-free rate is 3 percent per year compounded continuously. What is the value of d1?
(A) 3.09
(B)3.58
(C)2.41
(D)2.36
(E) 2.80