Date:
July 1 beginning inventory 10 units @ $120
5 purchase 60 units @ $ 112
14 sale 40 units @
21 purchase 30 units @ $ 115
30 sale 28 units @

FIFO
14 Jul you sold 10 units @ $120 + 30 units @ $112.

30 Jul you sold 28 units @ $112

LIFO
5 Jul you sold 40 units @ $112

39 Jul you sold 28 units @ $115

Thank you very much!