An NTP server B receives server A’s message at 16:34:23.480 bearing a timestamp 16:34:11.430 and replies to it. A receives the message at 16:34:15.725, bearing B’s timestamp 16:34:27.702. Estimate the...

An NTP server B receives server A’s message at 16:34:23.480 bearing a timestamp 16:34:11.430 and replies to it. A receives the message at 16:34:15.725, bearing B’s timestamp 16:34:27.702.

Estimate the offset between B and A and the accuracy of the estimate.