Using Section 15-3a, starting on page 717, as your guide: – Create a sample XML

Using Section 15-3a, starting on page 717, as your guide:
– Create a sample XML document and DTD for the exchange of customer data.
– Create a sample XML document and DTD for the exchange of product and pricing data.
– Create a sample XML document and DTD for the exchange of order data.
– Create a sample XML document and DTD for the exchange of student transcript data. Use your college transcript as a sample.
Prepare these XML documents using a text editor and save them as XML files. Then, submit these XML files for your assignment.
(need 4 files)