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)