Please help, short answer please!

1.Mike was an employee at Big Mill. Some workers there were thinking about forming a union. Mike's Big Mill supervisor asked Mike not to join the union and Mike agreed. What kind of agreement is this? Is it legal?

2.Amal was a delivery driver for at Big Corp. Amal was called to jury duty and was assigned a case that took 6 months. When Amal returned from his jury duty, he was informed that someone else had his job and that Amal had been fired. He sues Big Corp for wrongful discharge. Who prevails and why?

3.Amal was a delivery driver for at Big Corp. His supervisor at Big Corp required Amal to drive as fast as possible to get the packages delivered. Amal refused, preferring to stick to the speed limit. Amal is fired. He sues Big Corp. Who prevails and why?

4.What does Milton Friedman say is the only moral duty of corporations? What is his basic reasoning?