Which combination of inventory costing is valid?

A.
last-in first-out (LIFO) and first-in last-out (FILO)
B.
last-in first-out (LIFO) and first-in first-out (FIFO)
C.
first-in last-out (FILO) and last-in first-out (LIFO)
D.
first-in last-out (FILO) and first-in first-out (FIFO)