Transactions for the month of June were:

Purchases Sales

June 1 (balance) 3,200@ $3.20 June 2 2,400 @ $5.50

3 8,800 @ 3.10 6 6,400 @ 5.50

7 4,800 @ 3.30 9 4,000 @ 5.50

15 7,200 @ 3.40 10 1,600 @ 6.00

22 2,000 @ 3.50 18 5,600 @ 6.00

25 800 @ 6.00

A. Assuming that perpetual inventory records are kept in units only, the ending inventory on a LIFO basis is

a. $16,440.

b. $16,640.

c. $17,160.

d. $17,880.

B. Assuming that perpetual inventory records are kept in dollars, the ending inventory on a LIFO basis is

a. $16,440.

b. $16,640.

c. $17,160.

d. $17,880.

C. Assuming that perpetual inventory records are kept in dollars, the ending inventory on a FIFO basis is

a. $16,440.

b. $16,640.

c. $17,160.

d. $17,880.

D. Assuming that perpetual inventory records are kept in units only, the ending inventory on an average-cost basis, rounded to the nearest dollar, is

a. $16,384.

b. $16,952.

c. $17,160.

d. $17,280.

Show/explain your work. All parts must be answered for a thumbs-up.