Kernrechtsfrage
Whether the property had to be allocated to business or private assets.
Extrahierter Entscheid
The property was correctly allocated to business assets because its actual use predominantly served self-employed practice.
Extrahierte Begründung
For mixed-use property, the predominance test applies. The court relied on actual use, not theoretical subdivision, and found business use clearly predominant; bookkeeping treatment also supported business assets.