Please answer all parts for thumbs up.

An investment offers to double your money in 36 months (don't believe it). What rate per year are you being offered? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16 . You need $85,000 in 10 years. If you can earn .52 percent per month, how much will you have to deposit today? Note: Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16 . You have decided that you want to be a millionaire when you retire in 45 years. a. If you can earn an annual return of 11.2 percent, how much do you have to invest today? Note: Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16. b. What if you can earn an annual return of 5.6 percent? Note: Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16 . You have $17,750 you want to invest for the next 38 years. You are offered an investment plan that will pay you 9 percent per year for the next 19 years and 13 percent per year for the last 19 years. a. How much will you have at the end of the 38 years? Note: Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16 . b. If the investment plan pays you 13 percent per year for the first 19 years and 9 percent per year for the next 19 years, how much will you have at the end of the 38 years? Note: Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16