A machine is considered for an investment project. The initial investment value of the machine is 900.000 TL. Net yearly income is expected to be 170.000 TL. The MARR is determined as 9%. The useful life of the machine has probabilities that are shown in the Table below:

Year Probability

4 0.05

5 0.1

6 0.15

7 0.2

8 0.2

9 0.15

10 0.1

11 0.05

What is the probability of having a negative present value?