Answer:
D. The production of tasty quinoa chips that use pure olive oil and are reasonably priced.
Explanation:
D is the only option that points to the improvement in the quality of the product itself.
Option A improves customer service, but not mere product quality.
Option B aims to be environmentally friendly and aims for improvements in the product package, but not the product to be consumed.
Option C talks about producing more at a lower cost, which leaves out quality.
Option D is the only one that treats product quality by using quinoa and olive oil to improve the taste and texture of potatoes.