Study for Exams, Co. uses a periodic inventory system. On Jan. 1, Study has 10 textbooks on hand at a cost of $300 each. In February, the company purchases 30 more identical textbooks from Dont Fail, Co. for $325 each. In March, the company purchases 25 more identical textbooks from If I Study, Co. for $330 each. In April, Study for Exams sells 28 textbooks for $400 each. There were no additional purchases or sales during the remainder of the year.

1. If Study for Exams uses the FIFO method, what is the cost of its ending inventory?

2. If Study for Exams uses the LIFO method, what is the cost of goods sold?

3. If Study for Exams uses the WA method, what is the cost of its ending inventory & cost of goods sold?

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