Next, write a class named shiftsupervisor class that is also a subclass of the employee class. in a particular factory, a shift supervisor is a salaried employee who supervises a shift. in addition to a salary, the shift supervisor earns a yearly bonus when his or her shift meets production goals. the shiftsupervisor class should keep a data attribute for the annual salary, and a data attribute for the annual production bonus that a shift supervisor has earned.