Whether you are scheduling Installation and Dismantle labor (I& D labor), shipments, rigging labor, plumbers, electricians, or stagehands, scheduling is very important. An exhibit or products for merchandising your display, if unloaded on overtime, will increase your freight handling costs by 60%. Exhibit I & D labor, if work is done on overtime, will cost you 60% more. If it is a holiday or Sunday in some cities, labor will cost 100% more, double what it costs on straight time. Electrical labor, Rigging labor and Stagehand labor will also be 60% more on overtime.