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Assume that you inherited $ 1 0 0 , 0 0 0 from your grandparents, today. You have exactly 2 0 years to retire and

Assume that you inherited $100,000 from your grandparents, today. You have exactly 20 years to retire and you decided to put the entire amount into 20 years, 4% annual interest annuity.
1)(10 pts) Assuming you did not deposit any additional amount into this account, compute your account balance by the time you retire, using the annuity calculator. Then, compute the same using a scientific calculator (not a financial one) using the appropriate formulas from the textbook and show your calculations. (Make sure the amounts are the same!)
2)(10 pts) Now assume that in addition to this initial $100,000, you also contributed $500 at the end of each month until you retire. Compute your retirement account balance using the annuity calculator. Highlight the end balance, total principal, and total interest.
3)(30 pts) Please use the formulas with the periodic rate inserted using 6-digit sensitivity. Clearly mark your answers to specific sections as 3(A),3(B), and 3(C).
3(A)(10 pts) Explain how the periodic rate is obtained. Show the periodic rate using six-digit sensitivity.(0.000000)
3(B)(10 pts) Using the relevant formulas from the textbook and a scientific calculator, show the values of the interest from monthly $500 additions, and total return/interest earned.
3(C)(10 pts) Please explain how the End Balance appearing in (2) above is computed using all four components of the END Balance: 1) The inherited amount, 2) The amount of interest earned by the inherited amount, 3) The total monthly editions of $500 per month deposited at the end of the months, 4) The interest earned from the monthly $500 additional end-of-the-month deposits. Do not use tautological forms such as end balance = total principal + total interest.
4)(30 pts) Assume that the contributions were made at the beginning of each month. Clearly mark your answers to specific sections as 4(A),4(B), and 4(C).
4(A)(10 pts) Using the relevant formulas from the textbook and a scientific calculator, show the amount of interest earned from the initial principal.
4(B)(10 pts) Using the relevant formulas from the textbook and a scientific calculator, show the total amount of interest earned from monthly $500 additions.
4(C)(10 pts) Please explain how the End Balance is computed using all four components of the End Balance: 1) The inherited amount, 2) Interest earned by the inherited amount, 3) The total monthly editions of $500 per month deposited at the end of each month, 4) The interest earned from the end-of-month $500 additional deposits. Do not use tautological forms such as end balance = total principal + total interest.
5)(20 pts) Now, look at the first row of the Annual Schedule table [continue from (4)] provided by the calculator (just under the graph): Copy the last three values (Addition, Return, Ending Balance).(The values as of the end of the first year.)
Please show how the "Return" amount is computed using an appropriate formula. Do not use a financial calculator and do not use tautological forms such as Return = Ending Balance - Addition.
Interest

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