how much bandwidth will be used by the EIGRP updates?

In the configuration below, how much bandwidth will be used by the EIGRP updates? interface
serial0bandwidth 40ip bandwidth-percent eigrp 1 200

A.
80 kbps

B.
200 kbps

C.
40 kbps

D.
80 Mbps

E.
60 kbps

F.
40 Mbps