So in order it goes from: 0.6, 0.02, 0.007
We have a deposit of $2000 into an account that pays 6% compounded monthly, after a year we will have:

The effective annual yield (EAY) will be:

The EAY is 101.22%
D is under multiplication
(5q2 − r2s)(25q^4+5q^2r^2s+1r^4s^2)