calculate the irr using the formula

question 2

1. What is the NPV of a project with the following cash flows if the opportunity cost of capital is 2. What is the IRR of a project with the following cash flows? Year \begin{tabular}{ll} 0 & $1000 \\ 1 & $500 \\ 2 & $300 \\ 3 & $600 \end{tabular}