The semiannual investment is mathematically given as
R=6.37
Question Parameters:
the rate at 9% per year,
to fund an annuity of 20 payments of $200 each, paid every 6 months
Generally, the equation for the Intrest is mathematically given as
i=r/2
Therefore
[tex]i=\frac{0.09}{2}[/tex]
i=0.045
The amount of annuity
[tex]200=R*\frac{1+0.045^{-20}-1}{0.45}\\\\R=\frac{200*0.045}{1.412}[/tex]
R=6.3739
In conclusion, The semiannual investment would be R=6.37
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