You are considering the purchase of a closed circuit tv monitoring system for your store. the quarterly physical inventory has shown inventory shrinkage to be 2.5%. sales for the period were $875,495. the store is open 11 hours a day, 7 days a week. you estimate that you will have to pay an employee $7.50 per hour to monitor the system. compare the monthly cost of monitoring the closed circuit tv system to monthly shrinkage. assume 30 days per month.