For each pair of the following sentences, identify the selection that best uses plain English and familiar words. a. When you are preparing to complete a PO form online, include all pertinent PO information regarding your department before you select "Send." Failing to comply with this request may result in lost data and potential complications in your order.
b. When filling out an online purchase order, complete the form fully before you click "Send." Incomplete order forms will not be processed.
c. The director of customer service, who was recently promoted, was not aware of the fact that accounting had made the switch to an automated invoice generation process.
d. The director of customer service was unaware that accounting had automated billing.