Hi$,$I need an E$-$R diagram for the following relations using crow's foot notation. It is for a sports shoe database and I need help with possible entities, I can't have a customer entity. Please show the relationships between all the entities.

This is what I have so far.

Shoe Brand $($Nike$)$

$$ ModelID $($e$.$g$.,$ Air Max $270,$ Dunk Low$)$

$$ Gender

$$ Size

$$ Type $($e$.$g$.,$ Running, Lifestyle, Training$)$

$$ Price

$$

Shoe Brand $($Addias$)$

$$ ModelID $($e$.$g$.,$ Ultraboost, Yeezy$)$

$$ Gender

$$ Size

$$ Type $($e$.$g$.,$ Running, Lifestyle, Training$)$

$$ Price

$$

Supplier

$$ SupplierID

$$ SupplierName

$$ SupplierAddress

$$ SupplierCountry

$$

Manufacture

$$ ManufactureID

$$ ManufactureName

$$ManufactureAddress

$$ ManufactureCountry

$$

Store

$$ StoreID

$$ StoreAdd

$$ StorePhone

$$ StoreLocation

$$

Inventory

$$ StoreID

$$ ProdID

$$ QtyOnHand

$$

OrderLine

$$ LineNumberID

$$ OrderID

$$ ProdID

$$ ProdQty

$$ Discount