For each of the following situations involving single amounts, solve for the unknown. Assume that interest is compounded annually. $($ i$=$ interest rate, and n$=$ number of years$)$ Note: Use tables, Excel, or a financial calculator. Round your final answers to nearest whole dollar amount. $($FV of $1,$ PV of$1,$FVA of $1,$ PVA of$1,$ FVAD of $1$ and PVAD of$1)[[,$Present Value,Future Value,i $,$n $,],[1.,,,42,000,12\%,6,],[2.,,30,626,,55,000,,12],[3.,,22,615,,40,500,6\%,],[4.,,41,047,,105,000,,9],[5.,,20,511,,,5\%,15]]$

For each of the following situations involving single amounts, solve for the unknown. Assume that interest is compounded annually. $($i$=$ interest rate, and $n=$ number of years$)$

Note: Use tables, Excel, or a financial calculator. Round your final answers to nearest whole dollar amount. $($FV of $$1,$ PV of $$1,$ FVA of $$1,$ PVA of $$1,$ FVAD of $$1$ and PVAD of $$1)$

$\backslash$table$[[,$Present Value,Future Value,$i,n,],[1.,,$$$,54,000,8\%,8,],[2.,$$$,17,127,$$$,68,000,,16],[3.,$$$,10,117,$$$,43,500,20\%,],[4.,$$$,42,558,$$$,135,000,,15],[5.,$$$,10,378,,,7\%,9]]$