Waiting period. Jamal is waiting to be a millionaire. He wants to know how long he must wait if a. he invests $23,980.28 at 19% today? b. he invests $49,786.89 at 15% today? c. he invests $126,230.67 at 9% today? d. he invests $258,928.68 at 7% today? a. How long will Jamal have to wait to become a millionaire if he invests $23,980.28 at 19% today? years (Round to the nearest whole number.)