The owner of Silky Way, a store offering fine-quality textiles for home dressmakers identifies that the number of young women know how to do fine tailoring has drastically decreased. Increasingly nowadays customers reject the premium quality of the textiles, which comes with exorbitantly high prices. In the past, Silky Way was very popular. With strong demand for its fabrics, and massive reputational capital reflected in above-average returns. Today, the store is earning lower-than-average returns. This case is an example of Group of answer choices The hazard of competitors being able to imitate a firm's core competency The need for firms to stick to their core competencies through temporary downturns in market demand The lack of intangible resources undermining the core competencies of the firm Core competencies that have become core rigidities