Classification is like setting up a group call where you call one person and add in more people onto one line and where everyone is talking to each other, and classification is where you can organize a car wash and everyone brings items to help set up the car wash and you all work as a group.
1. Knowledge about law and regulation regarding human resource Practice would help jamaal make a decision in handling employees without exposing the company toward a potential lawsuit.
Through this knowledge, Jamal could know things that couldn't be done in the hiring and staffing process, such as using discrimination toward a certain race or not disclossing the full right and obligation for the employees.
2. Determining staffing needs would help jamal to identify the type and amount of human labour that the company need to achieve its goal.
On top of that, it also help Jamal in fulfilling the necessary hiring without having to spend beyond company's budget.
The answer would be B.) opportunity cost because it is the result of a trade-off, the trade-off being Shari choosing to donate to charity.