Answer:
10 pages per technician per day is the unit metric for the production work.
Step-by-step explanation:
Consider the provided information.
Stiviko's approved work plan included 4 technicians to create 200 web pages over 5 days.
They can create 200 web pages over 5 days.

That means in one day they can create 40 pages.
There are 4 technicians who work, therefore the unit metric for the production work is: 
Hence, 10 pages per technician per day is the unit metric for the production work.