Need the working out/explanation for these two questions

Homework 3 Homework 4 Two parties wish to enter into a swap to take advantage of the other party's comparative advantage and approach you, an investment bank. Two parties wish to enter into a swap to take advantage of the other party's comparative advantage and approach you, an investment bank. Party A wishes to borrow at a fixed rate, but if it went into the market, it could borrow fixed at 11.35%. However, if it borrowed floating, it could borrow at BBSW + 2.25% Party A wishes to borrow at a fixed rate, but if it went into the market, it could borrow fixed at 12.85%. However, if it borrowed floating, it could borrow at BBSW + 2.75% Party A wishes to borrow floating, and if it did so, it could borrow at BBSW + 1.15%. However, if it borrowed fixed, it could borrow at 7.65% Party A wishes to borrow floating, and if it did so, it could borrow at BBSW + 1.45%. However, if it borrowed fixed, it could borrow at 9.65% The investment bank charges 0.20% on each leg of the swap The investment bank charges 0.20% on each leg of the swap . Describe the transaction which will maximise the benefit for all parties Describe the transaction which will maximise the benefit for all parties