Which Best Describes Employees Who Smoke Versus Those Who Are

Which best describes employees who smoke versus those who are non-smokers?

A) Non-smoking employees have lower levels of absenteeism than employees who smoke.
B) Employees who smoke and non-smokers have similar levels of absenteeism and productivity.
C) Health care costs are lower for employees who smoke than for non-smokers.
D) Employees who smoke are typically more productive and have less absenteeism than non-smokers.