Which two SRV records are needed for a load balanced solution?

An engineer is designing a load balancing solution for two Cisco Unified Border routers. The first router (cube1.abc.com) takes 60% of the calls and the second router (cute2.abc.com) takes 40% of the calls, Assume all DNS A records have been created.

Which two SRV records are needed for a load balanced solution? (Choose two.)
A . sip_udp.abc.com 60 IN SRV 1 40 5060 cube2.abc.com
B . sip_udp.abc.com 60 IN SRV 3 60 5060 cube2.abc.com
C . sip_udp.abc.com 60 IN SRV 60 1 5060 cube1.abc.com
D . sip_udp.abc.com 60 IN SRV 2 60 5060 cube1.abc.com
E . sip_udp.abc.com 60 IN SRV 1 60 5060 cube1.abc.com

Answer: A,E