1718 Need just answer no explanation needed please give answer of both parts in 15 minutes. i promise i will rate positive if you give both answers perfect.

According to Black and Gregersen, which action is essential to overcome barriers to change? Being willing to admit that an approach that was successful in the past may no longer be effective Knowing and appreciating a company's history in its industry Focusing on the development of unified mental maps regarding the change goals Resisting supporting every new idea or technology that comes along A leader is trying to validate employee concerns while introducing a new change What should this leader do in an effort to overcome resistance to change? Emphasize urgent deadlines to accommodate the now change Ensure concerns are not dismissed Respond to concerns with indifference Agree wholeheartedly with each concern