An enthusiastic manager came out of his tools-training programme full of notions of measuring costs and ideas about how time gets wasted in organisations. His trainer had opened his mind to the idea of time as cost so he seized the opportunity to measure lateness at meetings.
The cost calculations were simple. If a meeting started 10 minutes late, multiply time by the cost of the executive manpower involved and then you know the real cost of wasted time.
It might depend on what is being done in meetings?