+2 Certainly! After 25 years, if you have $3400 placed in an account with an annual interest rate of 8.25%, the amount in the account will be approximately $18,306.50. This calculation takes into account compound interest, which means your initial deposit grows over time as the interest is added to the principal amount. We have a similar system where the calculation for the bonuses is made automatically for taking into consideration the bonus amount, the wagering requirement, and the bonus percentage.