Compute the cost assigned to ending inventory using $($a$)$ FIFO, $($b$)$ LIFO, $($c$)$ weighted average, and $($d$)$ specific identification. For specific identification, the March $9$ sale consisted of $120$ units from beginning inventory and $250$ units from the March $5$ purchase; the March $29$ sale consisted of $100$ units from the March $18$ purchase and $140$ units from the March $25$ purchase.

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$\backslash$table$[[$Perpetual FIFO Perpetual LIFO,$\backslash$table$[[$Weighted$],[$Average$]],$Specific Id$]]$