7-13 Gamma Company has six units of inven- 7 tory, two purchased for $4 each and fourg purchased for $5 each. Thus, the weighted- j average cost of the inventory is ($4 + $5) = 2 = 1 $4.50 per unit. Do you agree? Explain. Uly systems. 7-34 Valui A valuing Inventory and Cost of Goods Sold Metals. Ltd., had the following inventory transactions during the month of March (in Crowe Metals, Ltd. British pounds, ): 3/1 beginning inventory Week 1, purchases Week 2, purchases Week 3, purchases Week 4, purchases 3,000 units @ 2.00 2,000 units @ 2.10 2,000 units @ 2.20 1,000 units @ 2.30 1,000 units @ 2.50 6,000 4,200 4.400 2,300 2,500 On March 31, a count of the ending inventory was completed, and 4,000 units were on hand. By using the periodic inventory system, calculate the cost of goods sold and ending inventory using LIFO, FIFO, and weighted average inventory methods. nit of currency is the Swiss list 6-57 Accounts Receivable Turnover and Average Collection Period Vulcan Materials Company, the nation's largest producer of construction aggregates ish quartered in Birmingham, Alabama. The company had 2011 sales of $2,565 million Berlin and ending net accounts receivable as of December 31, 2010 and 2011 were $261 million $299 million, respectively. Compute Vulcan's accounts receivable turnover and average collection period for the fiscal year. Assume all sales are on open account