The grow the young audience by creating social events in the places where young people tend to hang out.
For example, in 2013 NPR sponsored many parties that being held on popular bar for college students in order to build a perception that they're 'cool and hip' even in this era.
Yes, because if it is not his/her self-interest they will not be able to work as hard as they can and won’t fully participate, while if they wanted to do it, they could go all out as it is something they want to achieve.
The answer to your question is Sheeps.
This is because the plural of sheep, is still sheep.
Ex. There are 5 sheep on my farm.
Hope this helps!
