Review the meaning of the following concepts or terms discussed in this chapter.

a Amortization.

b Plant assets and depreciation

c Wasting assets and depletion:
d Percentage depletion allowance.
e Intangibles.
f Capitalize.
g Improvements.
h Repairs.
i Maintenance.
j Joint cost.
\(\mathrm{k}\) Value.
I Residual or salvage value.
m Service or depreciable life.
n Asset depreciation range.
o Straight-line (time and use) methods.
p Accelerated depreciation methods.
q Declining-and double-declining-balance methods.
\(r\) Sum-of-the-years'-digits method.
s Book value.
1 Treatment. of changes in estimates of useful lives and residual values of long-lived assets.
u Trade-in transaction.
\(v\) Research and development.
\(w\) Goodwill.
\(\mathrm{x}\) Investment credit.
y Flow-through method.
z Deferral method.