Exercise 181 Below are descriptions of internal control problems. Identify the one best internal control principle that is related to the problem described. 1. The same person opens incoming mail and posts the accounts receivable subsidiary ledger. 2. Three people handle cash sales from the sme cash register drawer 3. A clothing store is experiencing a high level of inventory shortages because people try on clothing and walk out of the store without paying for the merchandise. 4. The person who is authorized to sign checks approves purchase orders for payment 5. Some cash payments are not recorded because checks are not prenumbered Cash shortages are not discovered because there are no daily cash counts by supervisors 7. The treaturer of the company has not taken a vacation for over 20 years. Click if you would like to Show Work for this question: Open Show Work