Company A is a AAA-rated firm desiring to issue five-year FRNs. It finds that it can issue FRNs at six-month LIBOR + .150 percent or at three-month LIBOR + .150 percent. Given its asset structure, three-month LIBOR is the preferred index. Company B is an A-rated firm that also desires to issue five-year FRNs. It finds it can issue at six-month LIBOR + 1.150 percent or at three-month LIBOR + 1.00 percent. Given its asset structure, six-month LIBOR is the preferred index. Assume a notional principal of $15,000,000. What is the quality spread differential (QSD)?

a	0.125 percent
b	0.375 percent
c	0.150 percent
d	0.625 percent