Waiting period. Jamal is waiting to be a millionaire. He wants to know how long he must wait if a. he invests $22,560.75 at 20% today? b. he invests $49,319.73 at 14% today? c. he invests $141,245.88 at 10% today? d. he invests $253,504.05 at 4% today? a. How long will Jamal have to wait to become a millionaire if he invests $22,560.75 at 20% today? years (Round to the nearest whole number.)