exquisite jewellers purchases chiming clocks from around the world for sale in canada according to its records exquisite jewellers/

Exquisite Jewellers uses the specific identification cost formula. The company uses a perpetual inventory system.
a. Calculate Exquisite cost of goods sold and ending inventory.
b. What conditions generally must exist for specific identification to be used? Are these met in this case? Explain.
c. Exquisite management are wondering if they could use the weighted-average cost formula, as they figured it would be easier. Is this possible?