An announcement of the company-sponsored picnic travels from the employees’ social committee to the other employees through email. This communication is ______ and ________.

a. Horizontal; informal
b. External; informal
c. Vertical; informal
d. External; formal
Is C correct answer?thank you

2 answers

I disagree.
Hmmmmm I know that downward communication delivery via meetings,e -mail ,official memos and company publications ;downward is vertical communication that' why i am confused :(