Consider the following Cash Flows of Argentina Ltd$.$ and calculate the expected NPV:

Scenario $0123456$

Pessimistic $-500,00050,00050,00050,000100,000100,000150,000$

Expected $-500,000150,000150,000250,000250,000350,000400,000$

Optimistic $-500,000250,000250,000350,000350,000400,000450,000$

Assume that probabilities of pessimistic, expected and optimistic scenario are $25\%,50\%$ and $25\%$ respectively, and cost of capital $($discount rate$)$ is $12\%.$