What is the effective annual rate of a six-month time account with an APR of 6.15%? A. 6.24% B. 15.61% C. 2.06% D. 6.31% If you invest $25,000 in the bank today, how many years will it take to grow to $115,000 if you have an account paying 7.8% compounded semi-annually? A. 19.94 years B. 41.45 years C. 39.89 years D. 20.73 years