【单选题】Which of the following best describes a period cost ?
A.
A cost that relates to a time period which is deducted as expenses for the period and is not included in the inventory valuation
B.
A cost that can be easily allocated to a particular period, without the need for arbitrary apportionment between periods.
C.
A cost that is identified with a unit produced during the period, and is included in the value of inventory. The cost is treared as an expense for the period when the inventory is actually sold.
D.
A cost that is incurred regularly every period, eg every month or quarter.