Answer: Sally is recognizing a hot trend and riding the waves.
Explanation: Initially, Sally was designing vintage clothes for middle-aged people. Even though her focus was to attend older people demands, college students developed an interest for the vintage clothing pieces. Thus, Sally decided to recognize it was a hot trend and take the chance by adding more pieces to her inventory.
According to Max Weber, and as discussed in a screencast, "traditional," "legal-rational," and <u>"charismatic" </u>are three of the most important ways of understanding forms of legitimate<u> interactions</u> in society.