My advice: Do NOT waste your time unless you have nothing else going on. This was one of the most time consuming interview processes I have experienced in my career. It took 3 weeks of my precious time. To sum it up, it starts easy with no real challenging questions... And then there is this business case. So they expect you to learn how to use their software on your own, with online tutorials, then build tailored dashboards, run your analysis on a software you never used, build a deck, run ROI calculations, to then finally do a demo of the software (that you never used or got trained to use), present your deck, and justify your calculations, This seems doable, except that their Software is not intuitive at all. A 2aste of time, my suggestion is go for it unless you really have nothing else going on.