At an interest rate of 14 percent annually, how long will it take for a $1,000 to double? To triple? (Round your answers to 2 decimal places.)

You just won the $41 million lottery. You will receive $1.8 million a year for the next 15 years plus an additional payment of $14 million at the end of 15 years. The interest rate is 11 percent.

How much is your lottery prize worth today? (Enter your answer as a positive number rounded to 2 decimal places.)