Need assistance completing the blue boxes (with small triangular arrows).

Laker Company reported the following January purchases and sales data for its only product. Date Militias Units Acquied atCost Units SoldatRetail Jan. 1 Beginning inventory 140 units @ $6.00 = $ 840 Jan. 10 Sales 100 units @3315 Jan. 20 Purchase 00 units @ $5.00 = 300 Jan. 25 Sales 00 units @ $15 Jan. 30 Purchase 180 units @ $4.50 = 810 Totals 380 units $1,950 180 units Required: The Company uses a periodic inventory system. For specic identication, ending inventory consists of 200 units, where 180 are from the January 30 purchase. 5 are from the January 20 purchase, and 15 are from beginning inventory. Determine the cost assigned to ending inventory and to cost of goods sold using (a) specic identication, (b) weighted average, (c) FIFO, and (d) LIFO. {Round cost per unit to 3 decimal places.) Beginning inventory Jan. 20 Jan. 30 Total Beginning innentnnr --_--_--_ Purchases: Jan3n -_--_--_ -_--l--l Total Beginning inventory Purchases: Jan. 20 $ 0.00 Jan. 30 Total Purchases: - Jan. 20 0 $ 0.00 - Jan. 30 0 $ 0.00 - Total 0 $ 0 m 31% 0