You have an investment account that started with $1,000 10 years ago and which now has grown to $12,000. a. What annual rate of return have you earned (you have made no additional contributions to the account)? b. If the savings bond earns 15% per year from now on, what will the account's value be 10 years from now?

b. If the savings bond earns 15% per year from now on, what will the account's value be 10 years from now? The account's value in ten years will be ? please round to the nearest cent