Problem: Constantine worked for Blue Sky Transport for four years when he received notice he was going to be deployed to Europe for a period of 90 days. After his service was completed, he decided to travel around Europe for a month before returning to Blue Sky Transport. When he returned to the U.S. and notified Blue Sky Transport he was coming back to work, he was told his job was no longer available. What mistake did Constantine make?
a. He decided to travel instead of returning to work right away.
b. He took long to notify his employer that he was returning.
c. He did not tell his employer that he was also in the military.
d. He failed to give proper notice of his deployment before leaving