When thinking about the staffing an organization might need in the future, human resource managers should

A$)$ understand the organization's vision and strategy in order to hire personnel to support them.

B$)$ assume that there will be radical changes in the supply of labor and the nature of the organization's jobs, and therefore defer planning.

C$)$ hire $10\%$ more people than were needed last year to cover possible growth.

D$)$ assume that the organization will not change much.

E$)$ focus efforts on replacing those who retire or resign.