Homework: Chapter 8 Homework Save Score: 0 of 1 pt 3 of 10 (6 complete) HW Score: 60%, 6 of 10 pts P 8-14 (similar to) Question Help You are a real estate agent thinking of placing a sign advertising your services at a local bus stop. The sign will cost $4,300 and will be posted for one year. You expect that it will generate additional revenue of $688 a month. What is the payback period? The payback period is months. (Round to one decimal place.)