The information shown below relating to the ending inventory was taken at lower of cost or NRV from the records of Electronics Corp.:

$\backslash$table$[[,,$Per Unit$],[$Inventory Classification,Quantity,Cost,NRV$],[$Keyboards$,24,$$$104,$$$77$

Please help $1-$ b Determine the valuation of the above inventory at cost assuming application of lower$-$of$-$cost$-$or$-$NRV by classifications.Items & Classification

Please help with $1-$b

$1-$b$.$ Determine the valuation of the above inventory at cost assuming application of lower$-$of$-$cost$-$or$-$NRV by classification

$\backslash$table$[[,\backslash$table$[[$Lower of cost or NRV applied$],[$by$]]],[,$Items,Classification$],[$Keyboards$,,],[$Stock A$,$$$,1,848,],[$Stock B$,2,059,],[$Stock C$,3,861,-],[,,7,768$

I need help on $1$b