Sql SubQuery Table alias Access

select   p.*,p.Price,p.Quantity as TotalPrice,c.Name as CategoryName from
(
select Row_number() over (order by p.ProductId) as RowNo, p.*,p.Price*p.Quantity as TotalPrice,c.Name as CategoryName from
 Category as c
inner join Product as p
on c.ProductId=p.ProductId
) ProductCategory