Required information

Problem $8-5($Algo$)$ Various inventory costing methods $[$LO$8-1,8-4]$

$[$The following information applies to the questions displayed below.$]$

A company began January with $7,000$ units of its principal product. The cost of each unit is $$6.$ Inventory transactions for the month of January are as follows:

$\backslash$table$[[,$Purchases$],[$Date of Purchase,Units,Unit Cost$*,$Total Cost$],[$January $10,6,000,7,$$$42,000$

Please calculate January's ending inventory and cost of goods sold for the month using LIFO, periodic table. Here's what i need help with...

$*$ Under the "Cost of goods sold$-$Periodic LIFO" section, under "Number of units sold" i need the beginning inventory, January $10,$ and January $18.$

$*$Under the "Ending Inventory$-$Periodic LIFO" section, under "Number of units in ending inventory", i need beginning inventory, january $10,$ and january $18.$ Thanks, and i will upvote if all parts are done correctly.