Pretty Good Pawn is a pawn shop located in downtown Tampa, F…

Pretty Good Pawn is a pawn shop located in downtown Tampa, FL. Due to the nature of its business, Pretty Good Pawn has large amounts of cash on hand at any given time. With this in mind: the owner of Pretty Good Pawn has invested in a one ton, heavy duty steel safe to store its cash. All cash is stored within the safe, and it is only opened when taking cash out to give to customers; or depositing cash inside for safe keeping.  Which type of risk modification technique is Pretty Good Pawn engaging in?