Which of the following configurations regarding OSPFv3 route aggregation are true?

[Huawei]ospfv3 1
[Huawei-ospfv3-1]asbr-summary fc00:0:0:: 48 cost 20 tag 100

[Huawei]ospfv3 1
[Huawei-ospfv3-1]abr-summary fc00:0:0:: 48 cost 400

[Huawei]ospfv3 1
[Huawei-ospfv3-1]area 1
[Huawei-ospfv3-1-area-0.0.0.1]abr-summary fc00:0:0:: 48 cost 400

[Huawei]ospfv3 1
[Huawei-ospfv3-1]area 1
[Huawei-ospfv3-1-area-0.0.0.1]asbr-summary fc00:0:0:: 48 cost 20 tag 100

[Huawei]interface gigabitethernet 1/0/0
[Huawei- Gigabitethernet1/0/0]asbr-summary fc00:0:0:: 48 cost 20