Keith Riggins expects an investment of $$169,413\mathrm{.}40$ to return $$23,000$ annually for several years. If Riggins earns a

return of $12\%,$ how many annual payments will he receive? $($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.$)$