$$250$ per day. The company will incur a $$100$ per day penalty for each day the project lasts beyond day $20.$

$\backslash$table$[[$Activity$,\backslash$table$[[$Normal$],[$Time $($days$)]],$Normal Cost $($$$),\backslash$table$[[$Crash$],[$Time $($days$)]],\backslash$table$[[$Crash Cost$],[($$$)$