You are provided with the following information for Pavey Inc. for the month ended October 31, 2010. Pavey uses a periodic method for inventory.

Unit Cost or

Date

Description

Units

Selling Price

October 1

Beginning inventory

60

$25

October 9

Purchase

120

26

October 11

Sale

100

35

October 17

Purchase

70

27

October 22

Sale

60

40

October 25

Purchase

80

28

October 29

Sale

110

40

Instructions

(a) Calculate (i) ending inventory, (ii) cost of goods sold, (iii) gross profit, and (iv) gross profit rate under each of the following methods.

(1) LIFO.

(2) FIFO.

(3) Average cost.

(b) Compare results for the three cost flow assumptions.