Answer the following questions.

WS Manufacturing is deciding whether to keep or replace an old machine. It obtains the following information:

$($Click the icon to view the information.$)$

WS Manufacturing uses straight$-$line depreciation. Ignore the time value of money and income taxes. Should WS Manufacturing replace the old machine? Explain.

Begin by calculating the relevant cost per unit. $($If an input field is not used in the table, leave the input field empty; do not enter a zero.$)$

Data table