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

for March.

Compute the cost assigned to ending inventory using $($a$)$ FIFO, $(b)$ LIFO, $($c$)$ weighted average, and $(d)$ specific identification. For

specific identification, units sold include $50$ units from beginning inventory, $180$ units from the March $5$ purchase, $30$ units from the

March $18$ purchase, and $70$ units from the March $25$ purchase.