Design a class called teacher that has three data members $($int ID$,$ string name, float teachinghours$).$ We want this class to do following things: a$.$ Create class object and initialize data members. b$.$ Update values for object$$s data members$($ID$,$ name, teachinghours$).$ c$.$ Display teacher$$s information $($ID$,$ name, teachinghours$).$ Write each member function prototype in class declaration.