It Has Been Discovered That Credit Sales Have Been Made

Multiple Choice

It has been discovered that credit sales have been made to customers with a poor credit rating.If this activity continues,the company may face uncollectible sales and losses due to bad debts.What applicable control procedure may help the company to gain control over this situation?

A) separation of shipping and billing duties
B) credit approval by a credit manager and not marketing personnel
C) data entry application controls
D) price lists