Explain stack ranking and PRP then
Until they were shamed in the mainstream media, Starbucks used to treat employees schedules as linear optimization problems without any regard for the human beings behind them: http://www.nytimes.com/interactive/2014/08/13/us/starbucks-w...
"""Last month, she was scheduled to work until 11 p.m. on Friday, July 4; report again just hours later, at 4 a.m. on Saturday; and start again at 5 a.m. on Sunday."""