The 07_internships project has provided the implementation of the Internship class. Spend time understanding its member functions but not changing them. Your tasks are to define, implement, and test the following Summary class to keep track of internships. class Summary { private: string title_; string description_; vector internships_; public: Summary(const string&, const string&); / /mutator void add_to_end(const strings, const string&, unsigned); void sort_by_name( ) ; void add_to_order(const string&, const string&, unsigned); void remove( const string&); / /accessor unsigned tally_by_industry(const string&) const; friend ostream& operator