Marian Plunket owns her own business and is considering an investment. If she undertakes the investment, it will pay $5,040 at the end of each of the next 3 years. The opportunity requires an initial investment of $1,260 plus an additional investment at the end of the second year of $6,300. What is the NPV of this opportunity if the interest rate is 1.9% per year? Should Marian take it? What is the NPV of this opportunity if the interest rate is 1.9% per year? The NPV of this opportunity is $ . (Round to the nearest cent.) You are a real estate agent thinking of placing a sign advertising your services at a local bus stop. The sign will cost $5,100 and will be posted for one year. You expect that it will generate additional revenue of $663 a month. What is the payback period? The payback period is months. (Round to one decimal place.)