You have the following information for Waner Inc. for the month ended June 30, 2010. Waner uses the periodic method for inventory.

Date

Description

Quantity

Unit Cost or
Selling Price

June 1

Beginning inventory

25

$60

June 4

Purchase

85

64

June 10

Sale

70

90

June 11

Sale return

5

90

June 18

Purchase

35

68

June 18

Purchase return

15

68

June 25

Sale

55

95

June 28

Purchase

20

70

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.