Answer:
The correct answer is letter "D": internal.
Explanation:
In Business, the internal approach of an organization refers to having employees providing their personal beliefs and knowledge to contribute to the proposal of a new idea. Companies implementing this practice usually care for workers' opinions on decision-making and have a more flat hierarchy.
Thus, in Xui Li's case, using the internal approach would have led her team to give their points of view on selling and additive besides the bottled water they offer.
