Davis Companys activity for its only product for the month of July, 2021 was:

July 1 inventory 100 units at $5.00

July 4 purchase 400 units at $5.10

July 10 sale 300 units at $9.50

July 18 purchase 300 units at $5.30

July 23 sale 200 units at $9.75

July 28 purchase 200 units at $5.35

1. Compute Davis cost of goods sold using perpetual LIFO.

2. Compute Davis ending inventory using periodic LIFO.