Two companies, A and B, have the following borrowing rates:

Fixed Borrowing: 4.2% for A; 5.6% for B

Floating Borrowing: LIBOR+80 bps for A; LIBOR+120 bps for B

The two companies want to borrow in the markets that they do not have a comparative advantage. According to the comparative advantage argument, what is the total potential savings for A and B if they enter into an interest rate swap and use a financial institution which charges 10 basis points?

A. 110 basis points

B. 80 basis points

C. 90 basis points

D. 120 basis points