Henderson Heating and Air has been a leader in producing heating and air conditioning units for use in private homes for more than 60 years. Over the past decade or so, consumers have begun to demand units that use less electricity, and Henderson has responded by making significant modifications to its products, thus making them far more energy efficient. What type of change describes Henderson's adjustments to its product line? Group of answer choices Episodic change Continuous change Disruptive innovation Productive change