​You are tasked with analyzing the inventory valuation methods for ABC Company. Utilize the following data:

Date	Description	Quantity	Unit Cost ($)
Jan 1	Beginning Inventory	200	$15
Jan 10	Purchase	300	$20
Jan 20	Sale	(250)
Jan 31	Ending Inventory

Requirements:

• Calculate the cost of goods sold using the weighted average method.
• Determine the ending inventory value using the FIFO and LIFO methods.
• Present the calculations in detailed tables.
• Discuss the impact of each valuation method on profitability and financial statements.