Sheridan Company adopted the dollar$-$value LIFO method on January $1,2025($using internal price indexes and multiple pools$).$ The following data are available for inventory pool A for the $2$ years following adoption of LIFO.

$\backslash$table$[[$Inventory$,\backslash$table$[[$At Base$-$Year$],[$Cost$]],\backslash$table$[[$At Current$-$Year$],[$Cost$]]],[\frac{1}{1}\frac{?}{25},$$$201,600,$$$201,600$