waterwoods company uses a perpetual inventory system. it entered into the following ourchases and sales transactions for march. March $1$ beginning inventory $150$ units @ $52\mathrm{.}00$ per unit marfch $5$ purchase $250$ units @ $57\mathrm{.}00$ per unit march $9$ sales $310$ units @ $87\mathrm{.}00$ per unit march $18$ purchase $110$ units @ $62\mathrm{.}00$ per unit march $25$ purchase $200$ units @ $64\mathrm{.}00$ per unit march $29$ sales $180$ units @$97\mathrm{.}00$ per unit totals $710$ units $490$ units compue the cost assigned to ending inventory using $($a$)$ FIFO $,($b$)$ LIFO, $($c$)$ weighted average, and $($d$)$ specific identifaction $.$ for specific identification the march $9$ sale consisted of $90$ units from beginning inventory and $220$ units from the march $5$ purchase the march $29$ sale consisted of $70$ units from the march $18$ purchase and $110$ units from the march $25$ purchase