Company X and Company Y have been offered the following rates:

Fixed Rate
Floating Rate
Company X
3.5%
3-month LIBOR plus 10bp
Company Y
4.5%
3-month LIBOR plus 30 bp
Suppose that Company X borrows fixed and company Y borrows floating. If they enter into a swap with each other where the apparent benefits are shared equally, what is company X’s effective borrowing rate?


A、3-month LIBOR−30bp
B、3.1%
C、3-month LIBOR−10bp
D、3.3%