Adomik interview questions

3 interviews in total and one assessment, one with the HR, a 1 hour 30 min assessment, an interview with the hiring manager, an interview with the CFO. The hiring process was misleading from the start and very unprofessional. HR asked me what are my salary expectations and said they are not very FAR from that. so i decided to go through the interview process. In my last interview with the CFO he tells me its 15k less than what was communicated with me in the beginning and asks me to wait so he could negotiate for me a higher salary. HR comes back with a final offer which is even LESS than what the CFO communicated in his last interview. Honestly its just a waste of time!