narrower concept administration costs Concept amortization Concept borrowed funds Concept building cleaning Concept building maintenance costs Concept cleaning costs Concept consequential costs Concept cost of upkeep Concept costs of capital Concept depreciation Concept electric power Concept energy costs Concept garden area Concept heating Concept heating costs Concept inspection Concept maintenance costs Concept management Concept modernization costs Concept operating cost Concept personal attainment Concept private park Concept public garden Concept self-help Concept service Concept upkeep Concept water Concept