In the following LIFO periodical method, how do i know how much they sold the units for?

Compute the ending inventory using LIFO for both the  periodic and the perpetual methods below:  units   price

1-Jan Beginning inventory  3,500  $3.00

14-Jan Bought  1,500  $3.15

5-Feb Sold  1,000

22-Feb Bought  2,000  $3.20

7-Mar Sold  1,500

15-Mar Sold  2,000

5-Apr Bought  1,000  $3.25

10-Apr Sold  800

12-Apr Sold  800

22-Apr Sold  500

4-May Sold  600

10-May Bought  2,000  $3.30

25-May Sold  500