(SWAP) Company X wants to borrow $10M floating for 5 years; Company Y wants to borrow $10M fixed for 5 years. Their external borrowing costs are shown below: Calculate the quality spread differential (QSD)? According to the bank's proposal, how many basis points (1 basis point=0.01%) can swap bank earn on the $10M principal per year? And how many basis points can Company X and Company Y save per year