You are thinking about buying a $1,000 bond issued by the appalachian development authority (ada). the bond will pay $120 interest at the end of each of the next 5 years. at the end of year 6, the bond will pay $1,120 (this is its face value of $1,000 plus the interest). if the relevant discount rate is 7%, how much is the present value of the bond's future payments? (