Dollar Value LIFO: Example #$1$

On January $1,2021,$ XYZ Co$.$ adopts Dollar Value LIFO. The inventory value for its one pool on this date was $$400,000.$ Inventory data for $2021-2023$ below. Calculate El for $2021,2022,2023.$

$\backslash$table$[[$DATE$,\backslash$table$[[$El at year$-$end cost$],[($assume FIFO used internally$)]],$cost Index$],[\frac{12}{31}\frac{?}{2020},400,000,1\mathrm{.}00],[\frac{12}{31}\frac{?}{2021},441,000,1\mathrm{.}05],[\frac{12}{31}\frac{?}{2022},487,200,1\mathrm{.}12],[\frac{12}{31}\frac{?}{2023},525,000,1\mathrm{.}2]]$

$\backslash$table$[[$Dollar$-$Value LIFO EI$,$LIFO Reserve Balance,$\backslash$table$[[$LIFO Effect$],[($Change in LIFO Reserve$)]]],[400,000,,],[421,000,,],[437,800,,],[440,800,,]]$