please answer all parts. will give thumbs up

Bogan Co has the following data for the year 2024: PART A: Estimate ending inventory and cost of goods sold using the average cost retail method. [3 points] What is Ending Inventory? \$ What is Cost of Goods Sold? \$ Estimate ending inventory and cost of goods sold using the conventional retail method. [3 points] What is Ending Inventory? \$ What is Cost of Goods Sold? \$ PART C: Estimate ending inventory and cost of goods sold using the LIFO retail method. [3 points] What is Ending Inventory? $ What is Cost of Goods Sold? S