The value of an IT investment can be dependent on whether complementary capabilities exist within the firm. Which of the following is not one of the required complementary capabilities? Multiple Choice Skilled workers. The ability to work in a team environment. The ability to query a database. The design of work processes.

4. what is the reason for including the following code snippet in the header file animal.h? #ifndef animal_h #define animal_h class animal { public: animal(); animal(double new_area_hunt); void birth(); void hunt(double new_area_hunt); void death(); double get_area_hunt() const; private: double area_hunt; }; #endif