Capitalised costs of self-constructed assets and other income

In CHF million   2013   2012
Capitalised self-constructed assets   256   265
Gain on sale of property, plant and equipment   16   16
Income from employment company Worklink (personnel hire)   4   4
Miscellaneous income   112   88
Total capitalised self-constructed assets and other income   388   373

Capitalised costs of self-constructed assets include personnel costs for the production of technical installations, the construction of network infrastructures and the development of software for internal use.