What is the difference in pay practices between salaried exempt and salaried nonexempt workers?

1. Salaried exempt workers may only work eight hours per day.

2. Salaried nonexempt workers must not work overtime hours.

3. Salaried exempt workers must work between 45 and 50 hours per week.

4. Salaried nonexempt workers may be eligible for overtime pay.