A USFI Is Raising All of Its $20 Million Liabilities in

$\begin{array}{lrr}\text { Assets } &\text {Liabilities} \\& \text { \$ 10 million U.S. loans(10 percent) } & \text { \$ 20 million U.S. CDs(9 percent) } \\ &\text { \$ 10 million UK loans (16 percent) } &\\ &\text { (loans made in sterling) } &\\\end{array}$
A U.S.FI is raising all of its $20 million liabilities in dollars (one-year CDs) but investing 50 percent in U.S.dollar assets (one-year maturity loans) and 50 percent in UK pound sterling assets (one-year maturity loans) .Suppose the promised one-year U.S.CD rate is 9 percent,to be paid in dollars at the end of the year,and that one-year,credit risk-free loans in the United States are yielding only 10 percent.Credit risk-free one-year loans are yielding 16 percent in the United Kingdom.

If the exchange rate had fallen from $1.60/ $\le$ 1 at the beginning of the year to $1.50/ $\le$ 1 at the end of the year,the net interest margin for the FI on its balance sheet investments is

A) 3.2875%.
B) -3.2875%.
C) 4%.
D) 8.75%.
E) 0.375%.