E8-1 As a recent college graduate, you land your first job in the customer collections depart- ment of Sun Systems. Karla Bates, one of the owners, has asked you to propose a system to ensure that cash received by mail from customers is handled properly. Draft a short memo- randum identifying the essential element in your plan, and state why it is important. Refer to Chapter 7 if necessary. Use this format for your memo: Date: To: Karla Bates From: Your Name RE: Essential element of internal control over customer collections