please answer both question thank you

Marian Plunket owns her own business and is considering an investment. If she undertakes the investment, it will pay $4.320 at the end of each of the next three years. The opportunity requires an initial investment of $1,080 plus an additional investment at the end of the second year of $5,400. What is the NPV of this opportunity if the cost of capital is 2.4% per year? Should Marian take it? What is the NPV of this opportunity if the cost of capital is 2.4% per year? The NPV of this opportunity is $(Round to the nearest cent) 12 18