What are the three basic steps in managing organizational change, according to the Lewin three-step model? State one step per line, in addition to a short description (1-2 sentences max) of it. If you cannot recall each step by name, at least try your best to describe it. Your format should follow 1a) [1st step] 1b) [Short description of 1st step] 2a) [2nd Step] 2b) [Short description of 1st step] 3a) [3rd step] 3b) [Short description of 3rd step]