Laker Company reported the following January purchases and sales data for its only product. For specific identification, ending inventory consists of $270$ units from the January $30$ purchase, $5$ units from the January $20$ purchase, and $10$ units from beginning inventory.

Record journal entries for Laker Company's sales and purchases transactions. Assume for this assignment that the company uses a perpetual inventory system and FIFO. All sales and purchases are made on account, and no discounts are offered.

Answer is not complete.

$\backslash$table$[[$No$,$Date,,irnal,Debit,Credit$],[1,$January $10,$Accounts receivable,$,2,900,],[,$Sales,$0,,2,900],[2,$January $10,$Cost of goods sold,$0,800,],[,$Merchandise inventory,$(2).,,800x$

Number $2$&$5$ plz And can you explain how got thoes

Thank you!!!!!!!