The rate of theft at a clothing store is $1,000 per day. It is open 7 days per week.

Adding a security guard will cost $100 per day and will reduce theft by 30%. Installing a

a sensor at the door to detect tags on the clothes will cost $175 per week in extra labor and will reduce theft by 35%. Installing the tags/sensor and adding the guard will reduce theft by 43%.Which control(s) should be implemented? Show the calculation

a. Neither control

b. Security guard

c. Tags and sensors

d. Both the guard and the tags/sensor

e. More information is needed to decide