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Required information

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Warnerwoods Company uses a periodic inventory system. It entered into the following purchases and sales transactions for March.

For specific identification, units sold include $90$ ?units from beginning inventory, $375$ ?units from the March $5$ ?purchase, $85$ ?units from the March $18$ ?purchase, and $165$ ?units from the March $25$ ?purchase.

$3.$ ?Compute the cost assigned to ending inventory using

$($a$)$ ?FIFO,

$($b$)$ ?LIFO,

$($c$)$ ?weighted average, and

$($d$)$ ?specific identification.

Note: Round your "average cost per unit" to $2$ ?decimal places.