Inventory records for Herb's Chemicals revealed the following:

March 1, 2021, inventory: 1,000 gallons @ $7.20 per gallon = $7,200

Purchases: Sales:
Mar. 10 600 gals @ $ 7.25 Mar. 5 400 gals
Mar. 16 800 gals @ $ 7.30 Mar. 14 700 gals
Mar. 23 600 gals @ $ 7.35 Mar. 20 500 gals
Mar. 26 700 gals

Ending inventory assuming LIFO in a periodic inventory system would be:

a. $5,040.
b. $5,055.
c. $5,075.
d. $5,135.