A sinking fund is when an annuity account is created to meet a future obligation
It answer the question of: If u need the sum of $20,000 within a year for a start-up,what should be the value of your deposit in an account that pay 10%
interest monthly to enable you meet your start-up financial demand?
Computed as followed:
Sinking Fund= Ar
[ (1+r/n)t-1]
Where:
A=future value
r=annual rate
t=number of years
n=number of times compounded per year