Ken Francis is offered the possibility of investing $7,231 today: In return, he would receive $15,500 after 8 years. What is the annual rate of interest for this investment? (PV of $1. FV of $1. PVA of $1, and FVA of $1) (Use appropriate factor(s) from the tables provided. Round your "PV of a single amount" to 4 decimal places and percentage answer to the nearest whole number.) Present Value Answer is complete but not entirely correct. p (PV of a Future Value Single Interest Rate Amount) IS 15,500 0.4665 6 % IS 7.231