Investment of Melissa is for every three months.
Annual compound interest is .
Quarterly rate is .
Value of the investment at the end of first quarter is or
.
Melissa adds $ for every three months.
Define the sequence of quarterly investment as with
,
where ,
is number of quarters.
Find the total amount after two years.
\Two years contains quarters.
Thus, find the 8th term in this recursively defined sequence .
Consider .
For ,
.
For ,
.
For ,
.
For ,
.
For ,
.
For ,
.
For ,
.
Total value of the investment after two years is .
Total value of the investment after two years is .