Within the category of Input Controls, which method listed below uses sequential numbering and turnaround documents to help minimize the chance for errors and omissions.

A. Batch Processing

b. data entry control

c. cancellation of source document

d. form design

2. Which of the following is an example of the kind of batch total called a hash total?

a. sum of the purchase amount field in a set of purchase orders.

b. sum of the purchase order number field in a set of purchase orders.

c. the number of completed documents in a set of purchase orders.