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Required: 1. Record the inventory, purchases, and cost of goods sold data in a perpetual inventory record similar to the one illustrated in using the first-in, first-out method. 2. Determine the total sales and the total cost of goods sold for the period. Journalize summary entries for the sales and corresponding cost of goods sold for the period. Assume that all sales were on account and date your journal entry March 31. 3. Determine the gross profit from sales for the period. 4. Determine the ending inventory cost as of March 31. 3130 Balances