Select the correct answer.

Sandra owns a Jewelry store. She has invested a large amount of money in the business. A single burglary in the store could result into huge
losses. Sandra thus wants to install a security system in her store to protect her investment. Which of the following private security personnel
should she approach?

ОА.
a security guard

OB
a private investigator

OC.
a security contractor

OD
a personal guard