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Waiting period. Jamal is waiting to be a millionaire. He wants to know how long he must wait if a. he invests $25,311.16 at 19% today? b. he invests $51,106.09 at 17% today? c. he invests $152,930.02 at 11% today? d. he invests $311,679.52 at 7% today? a. How long will Jamal have to wait to become a millionaire if he invests $25,311.16 at 19% today? years (Round to the nearest whole number.) b. How long will Jamal have to wait to become a millionaire if he invests $51,106.09 at 17% today? years (Round to the nearest whole number) c. How long will Jamal have to wait to become a millionaire if he invests $152,930.02 at 11% today? years (Round to the nearest whole number.) d. How long will Jamal have to wait to become a millionaire if he invests $311,679.52 at 7% today? years (Round to the nearest whole number:)