The following transactions took place with respect to Model M computers in Alpha's Computer Store during April 2000:

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April 1 Beginning inventory . . . . . . . . . . . . . . . . . . . . . . . . . . . . }40\mathrm{ computers at $1,200 5}\mathrm{ Purchase of Model M computers . . . . . . . . . . . . . . . . 15 computers at $1,300 11 Purchase of Model M computers . . . . . . . . . . . . . . . . . 16 computers at $1,350 24 Purchase of Model M computers . . . . . . . . . . . . . . . . 10 computers at $1,400 30 Sale of Model M computers . . . . . . . . . . . . . . . . . . . . . 32 computers at $3,000

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Assuming the periodic inventory method, compute the cost of goods sold and ending inventory balances using the following inventory costing alternatives:

(a) FIFO,

(b) LIFO, and

(c) average cost.