cost of usage this period
cost of usage this year
actual cost and estimated cost
actual cost over standard cost
avoidable cost and unavoidable cost
avorage cost and individual cost
Business cost Contract maintenance cost Economic choice IT system
Cost Plus Percentage of Cost Contract (“CPPC”)
deferrable cost and undeferrable cost
historical cost and future cost
original cost and replacement cost
present operating cost and annual operating cost
theory cost and practice cost
unit export cost;local currency cost of export earnings
A Dictionary of English Usage
absorbable membranes for clinical usage