Create a DTD (products.dtd) for a retailer with the following specifications: The XML document that conforms to the DTD must contain a list of products and manufacturers. Each product should be represented by a product element and each manufacturer should be represented by a manufacturer element. Each manufacturer has a unique ID. Represent details like name, address, etc., as child elements of a manufacturer element. Each product has attributes such as product code (which is always unique), unit price, etc. Each product is classified into one of four categories: electronics, household, furniture and groceries. Each product should be related to a manufacturer described in the XML document and should be represented as an element. The product can have a model name and description as elements

What will be an ideal response?

```






















unitPrice CDATA #IMPLIED

category ( groceries | electronics |

furniture | household ) #REQUIRED

manfacBy IDREF #IMPLIED>







```

XML document:

```



















xyz Co.

Boston







ayr Co.

Memphis