Collins wishes to retire in 30 years’ time and has estimated that he will require a monthly...

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Finance

Collins wishes to retire in 30 years’ time and has estimatedthat he will require a
monthly pension income of K24,000 per month for 20 years subsequentto retirement.
Collins will contribute to a retirement fund which will enable herto take out a monthly
pension of K24,000 after retirement. The retirement fund iscurrently earning a return of
9% per annum, interest compounded monthly, and this level isexpected to remain
unchanged and to be sustainable over the next 50 years. Determinethe monthly
contribution that collins is required to make to the retirementfund over the next 30 years.

Answer & Explanation Solved by verified expert

3.9 Ratings (467 Votes)

Annuity starting monthly after retirement (P) =   24,000.00
Time in months = (n) = 20*12=   240
interest rate per month (i) = 9?/12=   0.0075

Present Value of annuity formula =( P *(1-(1/(1+i)^n))/i)
=24000*(1-(1/(1+0.0075)^240))/0.0075)
=2,667,478.90

So before retirement K2,667,478.90 would be required to provide K24000 pension after retirement, it means after 30 years.

Amount is now Future value for today= 2,667,478.90
Time in months (n)=30*12=   360
interest rate per month (i) = 9?/12=   0.0075
Future value of annuity formula = P *{ (1+i)^n - 1 } / i
2,667,478.90   = P*(((1+0.0075)^360)-1)/0.0075
2,667,478.90   =P*   1830.743483
P= 1,457.05

So amount required to contribute each month is K1,457.05

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