Answer: b)Sustaining technology
Explanation: Sustaining technology is the technology that is used for enhancing the product than before . The improvement is made in the product to improve it's marketing and increasing it's value. In this way, the customer will tend to purchase the product .
Other options are incorrect because disruptive technology is the damaging the marketing of current product by using new marketing product, innovative technology is the technology that changing product to make it interesting.Thus, the most suitable option is option(b).
