Abbott’s Liquor Store uses a perpetual inventory system. Data for the Texas Chardonnay include the following purchases:

Date

Number of Bottles

Unit Price

May 7

50

$10

July 28

30

13

On June 1, Abbott’s sold 30 bottles, and on August 27, 35 more bottles. Prepare the perpetual inventory calculations for the above transactions using (a) FIFO, (b) LIFO, and (c) average cost.