b) A Brazilian company X wishes to borrow British pounds at a fixed rate of interest, whereas a UK company Y wishes to borrow Brazilian reals at a fixed rate of interest. The amounts required by the two companies are roughly the same at the current exchange rate. The companies have been quoted the following interest rates, which have been adjusted for the tax rate differences between Brazilian and UK companies: Company X Company Y Pounds 5.00 % 3.00 % Reals 9.00 % 8.00 % b1) Design a swap that will net a swap bank, acting as intermediary, 20 basis points p.a. Make the swap equally attractive to the two companies and ensure that all foreign exchange risk is carried by the bank