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

Date Activities Units Acquired at Cost Units Sold at Retail

March $1$ Beginning inventory $100$ units @ $$50$ per unit

March $5$ Purchase $400$ units @ $$55$ per unit

March $9$ Sales $420$ units @ $$85$ per unit

March $18$ Purchase $120$ units @ $$60$ per unit

March $25$ Purchase $200$ units @ $$62$ per unit

March $29$ Sales $160$ units @ $$95$ per unit

Totals $820$ units $580$ units

$3.$ 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 $80$ units from beginning inventory, $340$ units from the March $5$ purchase, $40$ units from the March $18$ purchase, and $120$ units from the March $25$ purchase.