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Table 3 Life cycle costs for one million employees with sensitivity analyses

From: Innovative offices for smarter cities, including energy use and energy-related carbon dioxide emissions

In € billion a year Present office Mega office Local office Home office
Space use 10.3 7.4 7.9 7.2
Material costs 1.2 1.3 0.9 0.9
ICT costs 6.2 6.2 7.7 8.7
Transport costs 1.2 2.5 0.0 0.0
Travel costs 4.5 2.5 1.6 0.0
Total 23.4 19.9 18.2 16.8
Savings 0.0 3.5 5.2 6.5
Sensitivity analysisa Present office Mega office Local office Home office
Reference life cycle cost 100 86 81 78
50% cheaper space 100 89 78 73
No travel costs 100 93 91 95
150% ICT wages 100 86 81 78
Combinationb 100 100 96 103
  1. aIndex relative to the total life cycle costs
  2. bCombination of cheaper space, no travel costs and high ICT wage