[tex]A=P(1+ \frac{r}{n} )^{rt}[/tex]
A=future amount
P=present amount
r=rate in percent
n=number of times per year it is compounded
t=time in years
given
P=798
r=0.031
n=4
t=21
[tex]A=798(1+ \frac{0.031}{4} )^{(4)(21)}[/tex]
[tex]A=798(1+ 0.00775 )^{84)}[/tex]
[tex]A=798(1.00775 )^{84)}[/tex]
A=1526.2956
A=1526.30
about $1526.30
