Use the information about Gringotts Bank in the table below to answer question 11. (30p total) Gringotts Bank Assets (A) in Million GBP: Liabilities (L) in Million GBP: Cash 30 Deposits 201 Floating rate loans Fixed rate loans Total A: 125 Floating rate loans 180 65 Equity (E) 20 220 Total L+E: 220 11. a) If the fixed rate loan portfolio has a maturity of 5 years and a 12 percent annual coupon, what is the duration of Gringotts Bank's fixed rate loan portfolio if the loans are priced at par? (10p) b) If the duration of Gringotts Bank's floating rate loan portfolio is 0.36 years, what is the duration of the bank's assets? (The duration of cash is zero) (5p) c) What is the duration of Gringotts Bank's liabilities if the duration of the floating rate loans is 0.615 years and the duration of the bank's deposits are zero? (5p) d) What is the leverage adjusted duration-gap of Gringotts Bank? (5p) e) What is the interest rate exposure of Gringotts Bank? If all interest rates increase by 1 percent (Ar/(1+r) =0,01), what is the impact on the market value of the bank's equity? (5p)