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Given the following: Cost per unit Number purchased 52 72 62 67 253 Total $ 208 504 January 1 Inventory April 1 June 1 November 1 496 603 $1,811 a. Calculate the cost of ending inventory using the weighted average method (ending Inventory shows 73 units). (Do not round intermediate calculations. Round your final answer to the nearest cent.) Cost of ending inventory b. Calculate the cost of goods sold using the weighted-average method. (Use your rounded answer from Part a. Round your final answer to the nearest cent.) Cost of goods sold