Kingswood Electrical Has Just Completed Its Annual Physical Inventory Count

Multiple Choice

Kingswood Electrical has just completed its annual physical inventory count.The ending inventory was obtained by adding up all the retail price tags for the goods on hand.Determine ending inventory at cost.
Cost Retail
Beginning inventory $ 20 000 $ 60 000
Purchases 133 000 390 000
Goods available for sale $153 000 $450 000
Sales 390 000

A) $39 600
B) $22 600
C) $20 400
D) $60 000