Find the effective rate of the compound interest rate or investment. (Round your answer to two decimal places.) 17% compounded monthly. [Note: This rate is a typical credit card interest rate, often stated as 1.4% per month.] Since 2007, a particular fund returned 13.3% compounded monthly. How much would a $6000 investment in this fund have been worth after 3 years? (Round your answer to the nearest cent.)