2. Fill in the blanks by classifying the following means of communication as visual, written, oral or electronic communication.
(Total 5 marks)
A.
= Telephone
B В
= Videoconferencing
C.
= Forms
D.
Gesture
E.
- Interview

The answers are:

1)  In economic terms, what does marginal mean?

 [B]: "extra or additional" .

2)   When should a person proceed with a choice in terms of marginal benefits and cost?

 [C]: "when the benefits outweigh the cost" .

3)  What type of decision is being made when the benefits outweigh the cost?

 [A]:  "rational decision" .

Hope this helps!  

Bests wishes in your academic endeavors —

and within the community!