$\backslash$table$[[$te$,$Activities,Units Acq,uired at Cost,Units Sold at Retail$],[$nuary $1,$Beginning inventory,$600$ units,@ $$45$ per unit,$],[$bruary $10,$Purchase,$400$ units,a $$42$ per unit,$],[$rch $13,$Purchase,$200$ units,a $$27$ per unit,$],[$irch $15,$Sales,,,$800$ units @ $$75$ per unit$],[$gust $21,$Purchase,$100$ units,a $$50$ per unit,$],[$ptember $5,$Purchase,$500$ units,@ $$46$ per unit,$],[$otember $10,$Sales,,,$600$ units @ $$75$ per unit$],[,$Totals,$1,800$ units,,$1,400$ units$]]$

quired:

Compute cost of goods available for sale and the number of units available for sale.

$\backslash$table$[[$Cost of goods available for sale,,$],[$Number of units available for sale,,units$]]$

Compute the numbet of units in ending inventory.

Ending inventory

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 $600$ units from beginning inventory, $300$ from the February $10$ purchase, $200$ from the March $13$ purchase, $50$ from the August $21$ purchase, and $250$ from the September $5$ purchase.$)$