Database ER diagram and normalization question:

Buyme! is an online company that sales hundreds of office supply products on its e-Commerce store. BuyMe! has asked you to design and implement a sales order processing system which will be used by users in our Operations department to process sales orders. Here is an overview of the sales order process. Customers order things from BuyMe! website. Each customer has a customer number and profile (such as name, shipping address). To simplify the matter, each time an order is placed, only one item is ordered. The company maintains hundreds of products at various warehouses throughout the United States. Each warehouse has a warehouse code, address and phone number. The compoany keeps track of products carried in various warehouses and their current inventory level.

You are asked to design a relational database (Entity Relationship Diagram and normalized tables) for this company.

1. ER Diagram

2. Third Normal Form tables