Serenity Books has the following transactions in August related to merchandise inventory.

Aug. 1 Beginning merchandise inventory, 10 books @ \(15 each

3 Sold 3 books @ \)20 each

12 Purchased 8 books @ \(18 each

15 Sold 9 books @ \)20 each

20 Purchased 4 books @ \(20 each

28 Sold 5 books @ \)25 each

d. Determine the cost of goods sold and ending merchandise inventory by preparing a perpetual inventory record using the weighted-average inventory costing method. Round weighted-average unit cost to the nearest cent and total cost to the nearest dollar.

Short Answer

Expert verified

Cost of goods sold: $313

Ending Inventory: $85

Step by step solution

01

Weighted average inventory costing under perpetual record

Weighted Average costing is a cost flow assumption of applying the average cost for the issued inventory. Perpetual record is the method of updating inventory accounts continuously for each event. So average inventory under perpetual record is the method of applying average cost assumption for continuous updating of inventory records.

02

Computation of COGS and Ending Inventory under weighted average cost

Date
Purchase/openingSales
Balance

Units

Cost per unit

Amount

Units

Cost per unit

Amount

Units

Cost per unit

Amount











Aug1

10

$15

$150

10

$15

$150

3

3

$15

$75

7

$15

$105

12

8

$18

$144

15

$17

$249

15

9

$17

$153

6

$17

$102

20

4

$20

$80

10

$17

$170

28

5

$17

$85

5

$17

$85

Total

22

$374

17

$313

5

$85

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