Tom Thompson expects to invest $12,000 at 9% and, at the end of a certain period, receive $61,700. How many years will it be before Thompson receives the payment? (PV of $1, FV of $1, PVA of $1, and FVA of $1) (Use appropriate factor(s) from the tables provided. Round "Table Factor" to 4 decimal places.) Need to know table factor