William Finley wishes to become a millionaire. His money market fund has a balance of $195,344 and has a guaranteed interest rate of 10%. How many years must William leave that balance in the fund in order to get his desired $816,000? (Round answer to O decimal places, e.g. 45.) years e Textbook and Media Assume that Elizabeth Williams desires to accumulate $816,000 in 15 years using her money market fund balance of $180,471. At what interest rate must Elizabeth's investment compound annually? (Round answer to decimal places, e.g. 5%.) Interest rate %