1. Carla Vista Sales Company has sales of $1,250,000. If the companys management expects sales to grow 4.50 percent annually, how long will it be before sales double? Use financial calculator to solve this problem. (Round answer to 0 decimal places, e.g. 20.)

2. You have $2,300 that you want to invest in your classmates start-up business. You believe the business idea to be great and expect to get $4,400 back at the end of three years. If all goes according to plan, what will be the return on your investment? (If you solve this problem with algebra round intermediate calculations to 4 decimal places, in all cases round your final answer to 2 decimal places, e.g. 8.72%.)

3. Matthew Young has $2,000 to invest. His brother approached him with an investment opportunity that could double his money in 6 years. What interest rate would the investment have to yield in order for Matthews brother to deliver on his promise? (If you solve this problem with algebra round intermediate calculations to 4 decimal places, in all cases round your final answer to 2 decimal places, e.g. 8.72%.)