You invest $2309 January 1, 2001, in a savings account that has a nominal interest rate of 5.7% compounded every two months. a. What is the effective annual interest rate?

b. How much will your investment be worth on January 1, 2011?

c. If it was a continuously compounding account, how much would it be worth on January 1, 2006?

d. If it was worth $5311.18 after continuously compounding until January 1, 2017, what was the interest rate you were earning?