It is estimated that substance abuse costs employers $60 billion a year in decreased productivity, absenteeism, and unintentional injuries. in the interest of health, safety, and economics, many companies are testing for illicit drug use. this has triggered a debate over whether people should be tested, who should do the testing and whether the results are reliable. research this topic and then respond to the following questions and post your answers here. who, if anyone, do you think should be tested in the workplace? why? in what situations? when people test positive for drugs, what should be done about it? why?