All definitions of chapter 68.46 RCW apply to this chapter. In addition, the following definition applies:
"Direct cost" for the purpose of chapter 68.46 RCW, direct cost includes actual labor cost and other costs associated with delivery of the service. For example: Direct cost of providing an opening and closing may include labor, materials, fuel, equipment maintenance, and a share of overhead including benefits and insurance.
Wash. Admin. Code § 308-51B-010