help with journal entry

Laker Company reported the following January purchases and sales data for its only product. The Company uses a perpetual inventory system. 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. ecord journal entries for Laker Company's saies and purchases transactions. Assume for this assignment that the company uses a erpetual inventory system and FIFO. All sales and purchases are made on account, and no discounts are offered