Problem $8-7($Algo$)$ Various inventory costing methods $[$LO$8-1,8-4]$

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Auto Dealers Incorporated sells a handmade automobile as its only product. Each automobile is identical; however, they can be distinguished by their unique ID number. At the beginning of $2024,$ Auto Dealers had three cars in inventory, as follows:

$\backslash$table$[[$Car ID$,$Cost$],[203,$$$96,000$

When calculating the ending inventory and cost of goods sold assuming LIFO and a periodic inventory system, i got $$306,000$ as my ending inventory, and $$891,300$ as my cost of goods sold. BOTH WERE INCORRECT. Please help me solve for those two correctly. Will upvote if all parts are correct.