Questione giuridica chiave
Whether renovation expenses shortly after acquisition are deductible as maintenance costs or are non-deductible renewal expenses.
Motivazione estratta
The court notes that for the distinction between maintenance and renewal costs, as well as whether replacement purchases occurred in the normal course of time or were overdue, standardized useful-life tables are needed; it refers to a fixed normal useful life for components rather than the actual age of the replaced item.