1) The document discusses operating costing, which is used to compute the cost of services offered by organizations like transportation, electricity generation, hotels, and canteens.
2) Operating costing involves identifying fixed, variable, and maintenance costs for the organization and determining a cost unit like cost per passenger-kilometer.
3) The example problem shows how to calculate the room rental rates for a hotel during peak season and off-season months by determining total annual costs, occupancy rates, and ensuring a 20% profit margin.