Stock valuation method

HELLO FRIENDS, PLS. TELL ME, WHICH METHOD OF STOCK VALUATION IS BEST FIFO OR AVERAGE COST METHOD.

I MAIN TAIN THE ACCOUNTS IN TALLY, IT TAKES AVERAGE COST METHOD BY DEFAULT.

BUT I THINK FIFO IS EASY.

SO PLS. HELP ME, WHICH IS THE BEST METHOD AND ACCEPTABLE TA ALL DEPTTS.

THANKS.