Marian Plunket owns her own business and is considering an investment. If she undertakes the investment, it will pay $5360 at the end of each of the next 3 years. The opportunity requires an initial investment of $1340 plus an additional investment at the end of the second year of $6700 . What is the NPV of this opportunity if the interest rate is 2.1% per year? Should Marian take it? What is the NPV of this opportunity if the interest rate is 2.1% per year? The NPV of this opportunity is $