The data is quite extensive, requiring substantial filtering of hundreds of thousands of records across approximately five tables. I owe thanks to SQL for its indispensable role. I couldn't upload one of the SQL files to GitHub due to its large size, so I had to edit the files provided by Martin Ganchev. here the link: https://365datascience.com/tutorials/sql-tutorials/business-task-sql/
Here Tableau viz.
https://public.tableau.com/app/profile/ibrahim.koc1381/viz/My_Second_Viz_16956413763400/Dashboard1