A project manager used information from past projects to come up with an estimate for a new software system The last few times there was a new release $,$ it took about $180$ days to develop $.$ However this time $,$ they must add in some extra features $,$ which could add upwards of $60$ days On the other hand $,$ they may be able to secure a bigger budget $,$ enabling overtime work for the programmers $.$ This may cut development time by $1/3$