Suppose the spot exchange rate is $1 = .7304 and the 1-month forward rate is $1 = .7303. Given this, you know the:

a. U.S. inflation rate is higher than the U.K.'s.

b. U.S. nominal interest rate is higher than the U.K.'s.

c. pound is selling at a discount.

d. U.S. real risk-free interest rate is higher than the U.K.'s.

e. pound is selling at a premium.