1. estimate ending inventory and cost of goods sold(average cost) 2. estimate ending inventory and cost of goods sold(LIFO) 3. Estimate ending inventory and cost of goods sold using the conventional method.

Kiddie World uses a periodic inventory system and the retail inventory method to estimate ending inventory and cost of goods sold. The following data are available for the quarter ending September 30,2018 : Estimate ending inventory and cost of goods sold (average cost)