23. Additions and improvements are costs incurred to increase the operating efficiency, productive capacity, or expected useful life and are referred to as _________________.

24. A _____________ decline in the market value of an asset is referred to as an impairment.

25. If disposal of a plant asset occurs at any time during the year, ___________________ for the fraction of the year to the date of disposal must be recorded.

26. If the proceeds from the sale of a plant asset exceed its ______________, a gain on disposal will occur.