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Marybeth and Anneal Yao are beginning to contemplate retirement. They are each forty-five years of age...

Marybeth and Anneal Yao are beginning to contemplate retirement. They are each forty-five years of age and have saved a total of $500,000 for retirement. Marybeth and Anneal realize that they have not saved sufficiently to be able to retire early, fully retire without some part-time employment, or replace 100 percent of current pre-retirement income. As such, they are willing to explore different approaches to reach retirement. Marybeth and Anneal have a combined annual income of $125,000. They believe their salaries will keep pace with inflation at 4 percent per year. They are also comfortable assuming that the effective annual rate of return on their retirement assets will be 9.0 percent before retirement and 6.5 percent after retirement. For now, Marybeth wants to keep the planning simple, projecting that they will both die in exactly forty years and that their retirement assets will be depleted with the exception of $100,000 to cover funeral and burial costs. Lastly, they do not want to continue saving after they retire (either partly or fully). As their financial planner, provide some assistance in calculating the amount of retirement assets needed on the first day of retirement, based on the two options listed below. Considering the information presented in the case, which outcome requires the lowest monthly (end-of-month) contribution if they also require that their retirement annuity grow by 4.0 percent per year to keep pace with inflation? (Ignore the effects of income taxes and Social Security on the answer.)

a.To retire at age fifty-five with an income replacement ratio of 60 percent.

b.To retire at age fifty-five with an income replacement ratio of 100 percent but work part-time for an additional ten years to offset half the projected annual need for those ten years. (In other words, Marybeth and Anneal will have a 50 percent replacement ratio for 10 years and a 100 percent replacement ratio thereafter.)

c.To retire at age sixty-five with an income replacement ratio of 100 percent.

Solutions

Expert Solution

A B C D
2 Present Age 45
3 Present Income 125000
4 Present Fund 500000
5 Inflation 0.04
6 Rate of Return
7 pre Retirement 0.09
8 post Retirement 0.06
9 Death Age 85
10 Burial cost 100000
11
12 To retire at age fifty-five with an income replacement ratio of 60 percent Calculations Amount
13 Retirement Age 55 55
14 Income Replacement Ratio 0.6 0.6
15 Income @55 Years =$C$3*(1+$C$5)^(C13-$C$2) 185030.535614793
16 Income Requied in 56th Year =C15*(1+$C$5)*$C$14 115459.054223631
17 PV of Post retirement Fund required (55 to 85) =(C16/($C$8-$C$5))*(1-((1+$C$5)/(1+$C$8))^($C$9-C13))+$C$10/(1+$C$8)^($C$9-C13) 2530329.03713725
18 Value of Present Fund @55th Year =$C$4*(1+$C$7)^(C13-$C$2) 1183681.83729606
19 Further Fund requied to met PV of Post retirement Fund =C17-C18 1346647.19984119
20 Monthly Contrbution Required =C19/(((1+$C$7/12)^((C13-$C$2)*12)-1)/($C$7/12)) 6958.90360203992
21
22 To retire at age sixty-five with an income replacement ratio of 100 percent Calculations Amount
23 Retirement Age 65 65
24 Income Replacement Ratio 1 1
25 Income @65 Years =$C$3*(1+$C$5)^(C23-$C$2) 273890.392879178
26 Income Requied in 56th Year =C25*(1+$C$5)*C24 284846.008594345
27 PV of Post retirement Fund required (65 to 85) =(C26/($C$8-$C$5))*(1-((1+$C$5)/(1+$C$8))^($C$9-C23))+$C$10/(1+$C$8)^($C$9-C23) 4543104.88556225
28 Value of Present Fund @65th Year =$C$4*(1+$C$7)^(C23-$C$2) 2802205.38388915
29 Further Fund requied to met PV of Post retirement Fund =C27-C28 1740899.5016731
30 Monthly Contrbution Required =C29/(((1+$C$7/12)^((C23-$C$2)*12)-1)/($C$7/12)) 2606.57841927088
31
32 To retire at age fifty-five with an income replacement ratio of 100 percent but work part-time for an additional ten years to offset half the projected annual need for those ten years. (In other words, Marybeth and Anneal will have a 50 percent replacement ratio for 10 years and a 100 percent replacement ratio thereafter.) Calculations Amount
33 Part Time Joining Age 55 55
34 Part Time Retirement Age 65 65
35 Income Replacement Ratio 0.5 0.5
36 Income @55 Years =$C$3*(1+$C$5)^(C33-$C$2) 185030.535614793
37 Income Requied in 56th Year =C36*(1+$C$5)*C35 96215.8785196924
38 PV of Post retirement Fund required (55 to 65) =(C37/($C$8-$C$5))*(1-((1+$C$5)/(1+$C$8))^($C$34-C33)) 834380.840379598
39 Income Requied in 66th Year =C36*(1+$C$5)*100% 192431.757039385
40 PV of Post retirement Fund required (65 to 85) @end of 65th Year =(C39/($C$8-$C$5))*(1-((1+$C$5)/(1+$C$8))^($C$9-C34))+$C$10/(1+$C$8)^($C$9-C34) 3079274.93847642
41 PV of Post retirement Fund required (65 to 85) @end of 55th Year =C40/(1+C8)^(C34-C33) 1719451.04233085
42 PV of Post retirement Fund required (55 to 85) @end of 55th Year =C41+C38 2553831.88271045
43 Value of Present Fund @55th Year =$C$4*(1+$C$7)^(C33-$C$2) 1183681.83729606
44 Further Fund requied to met PV of Post retirement Fund =C42-C43 1370150.04541439
45 Monthly Contrbution Required =C44/(((1+$C$7/12)^((C33-$C$2)*12)-1)/($C$7/12)) 7080.3563750727

Please try to understand 3rd Part, it is very important and difficult.

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