For each of the following situations involving annuities, solve for the unknown. Assume that interest is compounded annually and that all annuity amounts are received at the end of each period. $(i=$ interest rate, and $n=$ number of years$)$

Note: Use tables, Excel, or a financial calculator. Round your final answers to nearest whole dollar amount. $7FV$ of $$1$; PV of $$1,$ FVA of $$1,$ PVA of $$1,$ FVAD of $$1$ and PVAD of $$1)$

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