QUESTION $22$

$\backslash$table$[[$Item$,\backslash$table$[[$Usage per$],[$Parent$]],\backslash$table$[[$Lead Time $($in$],[$weeks$)]],\backslash$table$[[$Beginning$],[$Inventory$]],$Lot Size Rule$],[$J$,,3,0,$L$4$L$],[K,2,2,40,$L$4$L$],[$L$,4,1,60,$L$4$L$]]$

The end product $J$ is made from components $K$ and $L.$ The authorized MPS calls for $10J$ to be completed in week $4.$ What is the gross requirement for $K?$