Compilation error (line 1, col 1): Program does not contain a static 'Main' method suitable for an entry point
Compilation error (line 28, col 15): The type or namespace name 'ArgumentException' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 6, col 17): Field 'Employee._bonus' is never assigned to, and will always have its default value 0
Compilation error (line 5, col 17): Field 'Employee._commission' is never assigned to, and will always have its default value 0
Compilation error (line 4, col 17): Field 'Employee._monthlySalary' is never assigned to, and will always have its default value 0