Dimitri is a manager at a local antique and collectables store. He recently overhauled the store's process of acquiring certain merchandise. To accomplish this new process, all staff underwent the required training. Although the new process, coupled with required training, was initially met with some resistance, the process and corresponding training are now becoming the standard within the organization. Considering Lewin's change model, at what step is Dimitri's store? Group of answer choices Refreezing Moving Unfreezing Freezing