Part $1/3$ Repost: Required information

Problem $20-3($Static$)$ Change in inventory costing methods; comparative income statements $[$LO$20-2,20-3]$

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

Shown below are net income amounts as they would be determined by Roberti Steel Company by each of three different inventory costing methods $($$ in thousands$).$

$\backslash$table$[[,$FIFO,Average Cost,LIFO$],[$Pre$-2023,$$$2,800,$$$2,540,$$$2,280$

$*$Please double check all work and make sure its correct and fully done! Will upvote if done accurately! Thanks.