Answer:C. Billing, E. Sales order processing.
Explanation: Fulfilment process are the steps involved in the end stages of a business transaction some of the activities involved in the Fulfilment process include the Billing process and sales order processing.
Billing: This is a business fulfilment process,where the cost and amount to be paid for the product or service rendered,the Bill is usually made available to the buyer.
Sales order processing is sales document which states the order as it was made by the person or organization,it is made available by the business Organisation.
