Montoure Company uses a perpetual inventory system. It entered into the following calendar$-$year purchases and sales transactions.

Date Activities Units Acquired at Cost Units Sold at Retail

January $1$ Beginning inventory $570$ units @ $$50$ per unit

February $10$ Purchase $380$ units @ $$47$ per unit

March $13$ Purchase $190$ units @ $$35$ per unit

March $15$ Sales $700$ units @ $$75$ per unit

August $21$ Purchase $200$ units @ $$55$ per unit

September $5$ Purchase $590$ units @ $$53$ per unit

September $10$ Sales $790$ units @ $$75$ per unit

Totals $1,930$ units $1,490$ units

Compute the cost assigned to ending inventory using

$($a$)$ FIFO,

$($b$)$ LIFO,

$($c$)$ weighted average, and

$($d$)$ specific identification. $($For specific identification, units sold consist of $570$ units from beginning inventory, $280$ from the February $10$ purchase, $190$ from the March $13$ purchase, $150$ from the August $21$ purchase, and $300$ from the September $5$ purchase.$)$