Answer:
E) existing factory has enough capacity to handle demand for the new products as well as the existing products.
Explanation:
If the existing factory doesn't have enough capacity to produce both the new product and existing ones, then if doesn't matter if the technology used is the same, or the new product is an extension of an existing product line, or existing human resources possess the abilities and knowledge required, or even if the product design is already complete or not.
If the factory's production capacity cannot handle the new product, then the company needs to expand the existing factory's production capacity or build a new facility.