Question $3$: $(10$ points$)$

Draw an ER diagram for the following case:

Consider a Furniture Factory whose name is 'Evo Home'.

The Factory sells various types of Furniture at different prices.

Each piece of Furniture has name and description, and it is classified as either Wooden or Metal Furniture.

Wooden Furniture are identified by Wood$\_$Type attribute and Metal Furniture is identified MetaI$\_$Type attribute.

Each piece of Furniture is made of several Materials.

Furniture price depend on materials names and quantities.

The Factory deals with a number of different Suppliers who provide different Materials.

Each Supplier has a Name and a Phone Number.

The price that the Factory pays for a Supplied material, and the Quantity it come in$,$ can vary from one Supplier to another.