You are managing a telecommunications project, and 10 telecom engineers report to you. Due to a change in scope requested by your customer, you need to add more team members, and you decide to hire two more engineers.
How many communication channels will be added by hiring these engineers?
A. 21
B. 23
C. 66
D. 78
Hint: What was the size of the project team before hiring the new engineers and
what is it afterwards?
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