Insert the Missing Code in the Following Code Fragment

Insert the missing code in the following code fragment. This fragment is intended to implement a method to set the value stored in an instance variable.
Public class Employee
{
Private String empID;
Private boolean hourly;
) . .
_______
{
Hourly = isHourly;
}
}

A) public void setHourly(String isHourly)
B) public void getHourly()
C) public boolean getHourly()
D) public boolean setHourly(boolean isHourly)