The quarterly physical inventory shrinkage to be 2.5%.
Sales for the period = $875,495
value of quarterly shrinkage in sales = 2.5 % of 875 495
value of quarterly shrinkage in sales = 21887.875
there are 3 months in one quarter
so value of monthly shrinkage in inventory = 21887.875 ÷ 3 = 7295.29
cost of monitoring the closed circuit TV system = number of hours * employee pay per hour to monitor the system
cost of monitoring the closed circuit TV system = 30 * 11 * 7.5
cost of monitoring the closed circuit TV system = 2475
7295.29 > 2475
the monthly cost of monitoring the closed circuit TV system is less than monthly shrinkage by 4820.29