Suppose that a bank has $20 billion of one-year loans and $50 billion of five-year loans. These are financed by $60 billion of one-year deposits and $10 billion of five-year deposits. The bank has equity totaling $4 billion and its return on equity is currently 11%. Assume that the bank is subject to a tax rate of 30%. Estimate what change in interest rates next year would lead to the bank's return on equity being reduced to zero. Select one: O a. 1.57% Ob. 1.13% O c. 1.95% O d. 2.43% O e. 2.72%