Laker Company reported the following January purchases and sales data for its only product. For specific identification, ending inventory consists of $385$ units from the January $30$ purchase, $5$ units from the January $20$ purchase, and $15$ units from beginning inventory.

Date

Activities

January $1$

Beginning inventory

January $10$

Sales

$225$ units @ $ $15\mathrm{.}00=$ $ $3,375$

Units sold at Retail

January $20$

Purchase

$180$ units @ $ $14\mathrm{.}00=2,520$

$175$ units @ $ $24\mathrm{.}00$

January $25$

Sales

Purchase

January $30$

$385$ units @ $ $12\mathrm{.}00=$

$4,620$

$210$ units @ $ $24\mathrm{.}00$

Totals

Units Acquired at Cost

$790$ units

$ $10,515$

$385$ units

Assume the perpetual inventory system is used.

Required:

$.$ Complete the table to determine the cost assigned to ending inventory and cost of goods sold using specific identification. $1$

$2.$ Determine the cost assigned to ending inventory and to cost of goods sold using weighted average.

$3.$ Determine the cost assigned to ending inventory and to cost of goods sold using FIFO.

$4.$ Determine the cost assigned to ending inventory and to cost of goods sold using LIFO.