What is a formal contract that defines some form of arrangement where two entities agree to work with each other in some capacity?

The advantage of administering personality tests on employees is that it will allow the employer to know the mindset and personality of the employee. this will allow the employer to at least have an idea as to how the employee works and how his attitude in the workplace. the disadvantage is that it may make the employee a little anxious as to whether he would meet the personality requirements of the employer and whether he would be able to retain the job or not. 

Life after 70 is expected to be spent in an unhealthy/sick state.

Answerretail bank;

Ansmany career choices to make;