I need help with function
 

DAYS PACKAGES % EARING BALANCE

1 500.00 0% 0.00 0.00
2 500.00 2% 10.00
3 510.00 2% 10.20 10.00 0.20
4 520.20 2% 10.40
5 530.60 2% 10.61
6 541.22 2% 10.82
7 552.04 2% 11.04
8

I don't want add the penney "C", I try from "e" the penney pas to "g"

On "F5" and "G5" example