Greer Company provides architectural services for mall development companies. The following data are available for 2016. Activity Cost Pool Estimated Overhead Expected Use of Cost Driver per Activity Secretarial support $220,000 25,000 professional hours Direct labor fringe benefits 200,000 $500,000 direct labor cost Printing and copying 30,000 20,000 pages Computer support 250,000 50,000 minutes Liability insurance 140,000 $2,800,000 billed revenue Compute the activity-based overhead rates. (Round answers to 2 decimal places, e.g. 12.25.) Activity-based overhead rates Secretarial support $ per professional hour Direct labor fringe benefits $ per direct labor dollar Printing and copying $ per page Computer support $ per minute Liability insurance $ per revenue dollar billed