Waiting period. Jamal is waiting to be a millionaire He wants to know how long he must wait if he invests $26, 681.18 at 18% today? he invests $50, 168.97 at 13% today? he invests $178, 365.07 at 8% today? he invests $287, 564.49 at 5% today? How long will Jamal have to wait to become a millionaire if he invests $26, 681.18 at 18% today? (Round to the nearest whole number.)