From a legal perspective which of the following is true regarding a basic tenet underlying restrictions on employee separation?
a. It is illegal for organizations to use performance appraisals as a basis for decisions.
b. Organizations must not violate the contract of an employee without notifying him/her in advance.
c. Courts have upheld employee rights when they have been discharged on the basis of poor performance.
d. It is the need for fair and consistent treatment of employees.
e. all of the above