(Returning Error Indicators from Class Time’s set Functions) Modify the set functions in t...

(Returning Error Indicators from Class Time’s set Functions) Modify the set functions in the Time class of Figs 1-2. to return appropriate error values if an attempt is made to set a data member of an object of class Time to an invalid value. Write a program that tests your new version of class Time. Display error messages when set functions return error values.

Fig 1. Time class containing a constructor with default arguments.

Fig 2. Member-function definitions for class Time.