Afakpanga and Afa were employed by Yientiaobiaa Remedial School to teach Physics and Biology, respectively. The two were to be on probation for two (2) years before they could be fully appointed by the terms of their employment letter. Similarly, Tugar and Bruno, were engaged by the school charged with the responsibility of keeping the compound and classrooms clean. After the period of probation, the school authorities informed Afakpanga and Afa that the school was not interested in giving them permanent appointments because of unsatisfactory performance. On the other hand, Tugar and Bruno had their appointment terminated without any reason. The four (4) workers intend to take legal action against the school for compensation, accusing it of unfairly terminating their respective appointments. You are required to advise them.