Locker rental Corp.Operates locker rental services at several locations throughout the city including the airport, bus depot, shopping malls and athletic facilities. Unlike some of the old mechanical lockers that charge a fixed amount per use, LRC's lockers operate electronically and are able to charge based on hours of use. The locker system transmits a daily message to LRC'S office indicating the number of hours that locker have been used, which the office manager uses to determine when cash should be be picked up at each location. LRC'S cash receipts system is described below.
a) Two employees ("cash collection clerks") are responsible for collecting cash from the lockers. Based on instructions from the office manager, one clerk collects cash from specific locations on the west side of the city and the other collects from the from specific locations on the east side.

b) When each cash collection clerk returns the cash, a supervisor counts the cash and prepares a a cash count sheet.

c) The supervisor summarizes the cash count sheets in a prenumbered daily cash summary , and files the prenumbered cash accounts sheet by date.

d) The supervisor places the cash in a locked cash box until it is taken to the bank for deposit.

e) The supervisor, not the cash collection clerks, takes the cash to the bank for deposit

f) The supervisor prepares a duplicate deposit slip , which the bank stamps after the deposit is made, to indicate the date and amount of the deposit.

g) The supervisor sends the stamped bank deposit slip and daily cash summary to the accountant who compares them before preparing a journal entry debiting cash and crediting locker rental revenue.

Required :

1) For each statement (a) - (G), identify the internal control principle being applied.

2) After several months, LRC'S supervisor is arrested for stealing nearly $10,000 from the company. Identify the internal control weakness that allowed this theft to occur.