Multigenerational workforce in the U$.$S$.$ and globally is a major prediction about changes or trends in the labor$/$employment environment that will take place. List some ideas about the impact on the following major human resource management functions: $($a$)$ staffing$/$placement$,($b$)$ training$/$development$,($c$)$ salary administration, $($d$)$ performance evaluation, $($e$)$ job design, $($f$)$ promotions, and $($g$)$ career planning.