Question

Interest compound do not do any rounding

Answer 1

I guess if the interest is compounded, if you deposit 6000$..in one year the deposit will be:

6000*(1+interest)^1 year, so: 6000(1+0,11)=6660.

In two years is 6000*(1+0,11)^2=7392.6

If you need the formula: C*(1+i)^t