This is secind part of the first question. Thanks$\backslash$table$[[,,\backslash$table$[[$Retain Old$],[$Machine$]],,\backslash$table$[[$Replace Old$],[$Machine$]],,\backslash$table$[[$Net Income$],[$Increase $($Decrease$)]]],[$Operating income,$$,,$$$,,$$$,],[$Cost of the new machine$],[$Totals$,$$$,,$$$,,$$$,]]$

The new machine be purchased.