Blue Spruce Marine Products began the year with $10$ units of marine floats at a cost of $$12$ each. During the year, it made the following purchases: May $5,29$ units at $$15$; July $16,18$ units at $$20$; and December $7,23$ units at $$23.$ Assume there are $28$ units on hand at the end of the period. Blue Spruce uses the periodic system.

$($a$)$

Your answer is incorrect.

Determine the cost of goods sold under FIFO.

Cost of good sold

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