You have an opportunity to invest $50,700 now in return for $61,000 in one year. If your cost of capital is 7.6%, what is the NPV of this investment? The NPV will be (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 $4,500 and will be posted for one year. You expect that it will generate additional revenue of $585 a month. What is the payback period? (Round to one decimal place.)