4. Answer the questions considering the following case- Best-East Fashion house is currently in need of creating a database for their clothing items and customer profiling. At present, they sell Trousers, Shirts, Shoes, Wallets, and Perfumes. To increase their sales, the fashion house owner wants to run a loyalty program for its customers, so that, they can not only track the sales but also send promotional offers. There are three types of staff - Manager and Salesperson. (a) Identified database tables and populate with sample data, which Normal form it is in? (b) Transform your initial tables to 3rd Normal form. Show all the steps (Note: You are allowed to have necessary assumptions for the above scenario.) [2] [3]