Back in his office, Jefferson again reviewed the data $($see the following table$)$ and noted that optimistic time estimates can be used as crash times. He then gathered his supervisors. "Folks, if we're not $75\%$ sure we'll finish this stadium in less than $270$ days, I want this project crashed! Give me the cost figures for a target date of $250$ days$$also for $240$ days. I want to be early, not just on time!"$($