You visited an online education publisher and selected a study-guide e-book you wish to purchase. You now need to contact the Sales Officer to place the order and request the receipt and supporting documents.

a. Draft an email to the Sales Officer placing the order for the e-book and requesting the invoice and supporting documents.

b. Write an appropriate subject line for the email.

c. Compose a brief follow-up reminder email to send if you do not receive a response within three days.

d. List three documents or items you should expect to receive with the e-book and briefly explain why each is important.