Give typed answer with explanation

Calculate the NPV of an investment that PicoPharma AB plan to do if the initial investment is 5 MSEK, the cost is 2 MSEK per year for year 1 to 3 and the revenue is 6 MSEK for year 2 and 3. The economic life is 3 years. The cost of capital is 12%. No other cash flow stream occurs, so the disposal value is assessed to be 0. Use one decimal place accuracy for the answer of question 3.

What is the pay-back time in months (cost of capital is 0) for the investment above (question 3)?

Calculate the IRR for the investment above that PicoPharma AB plan to do. Use one decimal place accuracy for the answer of question 5.