BONUS QUESTION - 2

In C# language, I have two interfaces IEmployee and IFullTime. Now I want to create a new interface IManager, that has functionality of both IEmployee and IFullTime interfaces. Which of the following are correct: a. interface IManager : IEmployee, IFullTime {} b. interface IManager : IFullTime, IEmployee {} c. interface IEmployee : IFullTime {} interface IManager : IEmployee {} d. interface IManager : IEmployee : IFulltime {}