In the talk about lessons from Chinese business and philosophy by Fang Ruan, what was the "two-hat model" used by Dumpling Xi? Group of answer choices Instead of recruiting new outsiders for senior positions, five regional managers were invited to take on a second role at headquarters while still keeping their frontline manager positions. Two divisions of the company were established in parallel, each with overlapping tasks, under the belief that competition between the groups would lead to better innovation. Job rotations were implemented in restaurants in order to increase efficiency; waiters would occasionally be asked to work in the kitchen when the dining area was overstaffed. Everyone was invited to wear two hats on casual Fridays