You have just been notified that you will receive $9,000 a year for the next 20 years from an inherited trust if the interest rate is 11 percent, how much should you be willing to accept today in exchange for the annual payments? (Enter your answer as a positlve number rounded to 2 decimal ploces.) At an interest rate of 11 percent annually, how iong will it take for a $1,000 to double? To triple? (Round your answers to 2 decimal pieces.) You have decided to start saving money for your future. What is the future value of a 17 -yeat annuity of $2.500 per year, assuming that you make your first payment today and the interest rate is 7 percent? (Enter your answer os a positive number rounded to 2 decimal placen.)