Which three configuration steps are required to add Internet service to the VRF customers?

Refer to the exhibit.

The Service Provider is deploying Internet service to its VRF customers by using vrf INTERNET. A dedicated firewall provides NAT functionally towards the Internet. Assume that IP address overlapping between VRFs is not an issue.

Which three configuration steps are required to add Internet service to the VRF customers? (Choose three.)
A . Export the RD of vrf INTERNET from all customer VRFs.
B . Originate a default route on PE4 in vrf INTERNE
D . Import the RD from vrf INTERNET in all customer VRFs.
E . Originate a default route on the firewall in vrf INTERNE
G . Import the VRF “INTERNET” Route Target in all customer VRFs.
H . Import the Route Target of all customer VRFs in vrf INTERNE
. Leak all VRF routes to the global routing table.

Answer: B, E, F