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The following are the transactions for the month of July.

Required:

a$.$ Calculate cost of goods available for sale and ending inventory under LIFO. Assume a periodic inventory system is used.

b$.$ Calculate sales, cost of goods sold, and gross profit, under LIFO. Assume a periodic inventory system is used.

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Required $A$

Calculate cost of goods available for sale and ending inventory under LIFO. Assume a periodic inventory system is used.