The Jersey Shop specializes selling authentic Major League Baseball jerseys. During the summer of 2017 it had the following transactions relating to inventory, which it values on the weighted average basis: Balance May 1 150 units @ $65 Purchases Sales May 2 100 units @ $70 each May 5 75 units May 8 150 units @ $80 each May 15 200 units May 12 50 units @ $85 each May 22 125 units May 20 100 units @ $95 each May 31 150 units May 25 75 units @ $105 each Required: a) Under the perpetual method of inventory valuation, calculate the weighted average cost of ending inventory; b) Under the perpetual method of inventory valuation, calculate the weighted average cost of goods sold; c) Under the periodic method of inventory valuation, calculate the weighted average cost of ending inventory; d) Under the periodic method of inventory valuation, calculate the weighted average cost of goods sold; e) Suppose that the owners of the store realized that included in its ending inventory were ten Blue Jays jerseys of Josh Donaldson, who was no longer a member of the team. They realized that the market price of the jerseys was now only $85 each. Prepare the Journal Entry necessary to adjust the value of inventory under both the perpetual and the periodic approach