Swap question: Company A can borrow in the fixed rate market at 6% and in the floating rate market at Libor + 4%. Company B can borrow in the fixed rate market at 10% and in the floating rate market at Libor+ 6%. Company A wants to borrow floating and Company B wants to borrow fixed. Construct a swap between Company A and Company B to equally exploit the comparative difference between the companies across the fixed and floating rate markets