Expected time and cost: 6 weeks in $100,00

30 % likely: Delay by 3 weeks, increase in cost by $30,000.

If project staff increased by 30% with additional cost of $20,000 -

10% likely: Delay by 1 week, increase in cost $10,000.

These types of projects cannot go over budget by more than 10%.

With above information, how does a decision tree look like? and answer the followings:

Would you increase the size of the project staff? Why or why not?