Which network and subnet mask below would be the smallest EIGRP summary address to include all three subnets?

An engineer is trying to summarize the following networks using the “ip summary-address
eigrp” command:
10.8.88.0/25
10.8.89.48/29
10.8.64.96/27
Which network and subnet mask below would be the smallest EIGRP summary address to
include all three subnets?
Choose the best answer.

A.
10.8.64.0 255.255.224.0

B.
10.8.64.0 255.255.128.0