Pembrooke LLC, a legal firm, recorded the following: Activity cost pools Total activity Research legal issues 680 research hours Meet with clients 5,324 meeting hours Preparing documents 6,490 documents The total costs for each activity are: Activity cost pools Total cost Research legal issues $29,920 Meet with clients $665,500 Preparing documents $116,820 What is the activity rate for the "preparing documents" activity? $18 $0.06 $6 $60