Suppose that an investment pays $1000 at some point in the future. If you are willing to pay $500 and you require a return of 8%, approximately when does the future cash flow arrive (calculate to one decimal place)? A. 0.6 periods B. 3.9 periods C. 6.2 periods D. 6.7 periods E. 9.0 periods F. 20.7 periods G. Infinity (i.e., never) H. None of these