How Arithmetic Progression function Loop Block

Principal Amount =100 rs.
Increment Percentage = 10% on principal amount.
Increase after every 3 yrs and for 3 yrs.{this will static}
Total 8 years.

Kindly give me guideline for this problem.
Ex.
1 YR 100 RS.
2 YR 100 RS.
3 YR 100 RS.

4 YR 110 RS. 【100+10 {10% OF 100}】
5 YR 110 RS. 【100+10 {10% OF 100}】
6 YR 110 RS. 【100+10 {10% Of 100}】

7 YR 121 RS.【 110 + 11 {10% OF 110}】
8 YR 121 RS.【 110 + 11 {10% OF 110}】

I want To show sum of total amount after 8 yrs
I want To show all Years in list view and share list to other