Thursday, 26 June 2014

Time Value of Money (Exercise)

Assuming that you are 40 years old now and you intend to retire at the age of 65 and you and your wife will lead a retirement life. According to the mortality rate, you think you probably will die when you are at the age of 80, but you feel that it is prudent to plan financially another 5 years after that. This means you are planning to have enough money to survive 25 years after retirement.
When you retire, you figure that you will be free of all commitment, children’s education, a house free of loan, you and your wife only needs money for the basic necessity; food, utility bills, transportation, health care and some money for annual holidays somewhere overseas. You work out that with the present costs, you and your wife will need RM8000 a month, or RM96,000 a year of today’s money for this lifestyle. You figure that with 20 more years to live after retirement, you need 20 times the amount of annual expenses of the first year of retirement as your total retirement sum.
You have some saving now in cash and in investment of just RM30,000, and RM100000 in EPF right now.
Questions:

  1. How much money do you need in nominal term for your monthly and yearly expenses when you retire, after taking the inflation rate of 4% a year into consideration?
  2. What is the lump sum amount you need then for 20 more years after retirement?
  3. How much your present EPS and cash and investment each will grow to when you retire?
  4. What is your shortfall?
  5. Assuming that your net return of all your future investment is 10% a year for all investment and future EPF, how much money (including your forthcoming EPF saving) do you need to save a year to build up your shortfall?

Please show clearly your computations.
 
You can click here to refer to the answer.
 
Summary of Answer:
(1)
Year
1
2
3
4
5
6
7
8
9
10
Yearly  
     255,920
   266,157
   276,803
   287,876
   299,391
   311,366
   323,821
   336,774
   350,245
   364,254
Monthly  
        21,327
     22,180
     23,067
     23,990
     24,949
     25,947
     26,985
     28,064
     29,187
     30,355

Year
11
12
13
14
15
16
17
18
19
20
Yearly
   378,825
   393,978
   409,737
   426,126
   443,171
   460,898
   479,334
   498,507
   518,448
   539,185
Monthly
     31,569
     32,831
     34,145
     35,511
     36,931
     38,408
     39,944
     41,542
     43,204
     44,932

 
(2) 5,118,406
(3)
EPF at Retire      409,394
Investment at Retire      325,041
 
(4) 4,383,970
(5) 44,577
      
 
 
K C Chong (25 June 2014)
Data and Assumptions:
Age now
40
Retirement age
65
Years to retirement
25

Age die
85
number of years of retirement
20


Rate of inflation
4.00%
Return of investment of savings before retirement
10.00%
Return of existing EPF
5.80%

Current EPF amount
100000
Current amount in cash and investment
30000
Present monthly expenses
5000
Monthly expenses at retirement at today's RM
8000

3 comments:

  1. Hi, II, just curious that for yearly expenses in Q1, taught future value FV = CF * [ ( (1 + i) ^n - 1)/i], why in excel the calculation is CF*(1+i)^(n+retirement year -1)?

    ii) for Q2, why the lump sum amount is fixed for each year 255,920?

    ReplyDelete
  2. Hi QiaoHui,

    I am not sure how you get the FV = CF * [ ( (1 + i) ^n - 1)/i], you may refer to http://intelligentinvestor8.blogspot.com/2014/06/time-value-money.html for the time value money formula

    For Q2, I need to move the value of money to year 1 of the retirement. Please take note that it is the "Value of Yearly Expenses on Retirement Year 1"

    ReplyDelete
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