replacement cost over the stated LIFO value was $$87,546$ and $$80,814$ at April $30,2020$ and $2019,$ respectively. There were no material LIFO liquidations during the period presented. Below is a summary of the inventory values at April $30,2020$ and $2019.$

$\backslash$table$[[,$Years Ended April $30,],[($$ thousands$),2020,2019$