The use of LIFO under a perpetual inventory system (units and costs):
A.
may yield a higher inventory valuation than LIFO under a periodic inventory system when prices are steadily falling.
B.
may yield a higher inventory valuation than LIFO under a periodic inventory system when prices are steadily rising.
C.
always yields the same inventory valuation as LIFO under a periodic inventory system.
D.
can never yield the same inventory valuation as LIFO under a periodic inventory system.