Kari works in the west coast branch of coastal cable. lou works in the east coast branch. they need to collaborate on a project. which communication channel should they use?

The answer to this question is Phone or video calls.
Communicating through phone video calls will give both Kari and Lou to directly discuss their project without any interruption.
This direct communication will reduce the likelihood of negative aspects such as miscommunications, ineffective use of time, and the possibility of their communication being breached by other people.

Units because it is measurable

30,000 would be the answer