The company uses a periodic inventory system and its ending inventory consists of 150 units50 from each of the last three purchases.?

Jan. 1- beginning inventory -96 units @ $2.00=$192

Mar. 7-purchase-220 units @ $2.25=$495

July. 28-purchase-544 units @ $2.50=$1,360

Oct. 3-purchase-480 units @ $2.80=$1,344

Dec. 19-purchase-160 units @ $2.90=$464

Total = 1,500 units - $3,855

- Determine the cost assigned to ending inventory and to cost of goods sold for the following. (Do not round intermediate calculations and round your answers to 2 decimal places.)

A)specific identification-$410 Ending inventory $3,445 -Cost of good sold

B)weighted average -$386 Ending inventory $3,469 -Cost of good sold

C)FIFO-

D)LIFO-

I need help with FIFO and LIFO for my accounting homework. I think I have A and B right but I'm not so sure.