$ cat inventory
Item    Amount  Cost    Value   Description
-----   ------  ----    -----   --------------
    1        3    50      150   rubber gloves
    2      100     5      500   test tubes
    3        5    80      400   clamps
    4       23    19      437   plates
    5       99    24     2376   cleaning cloth
    6       89   147    13083   bunsen burners
    7        5   175      875   scales

$ substitute rubber latex inventory
$ cat inventory
Item    Amount  Cost    Value   Description
-----   ------  ----    -----   --------------
    1        3    50      150   latex gloves
    2      100     5      500   test tubes
    3        5    80      400   clamps
    4       23    19      437   plates
    5       99    24     2376   cleaning cloth
    6       89   147    13083   bunsen burners
    7        5   175      875   scales