Anthony Walker must decide how to invest $9,000 that he just inherited. What would be the future value of his investment after 6 years under each of the following three investment opportunities? (If you solve this problem with algebra round intermediate calculations to 6 decimal places, in all cases round your final answer to the nearest penny.) a. 6.45 percent compounded quarterly. Value of investment after 6 years $ b. 6.00 percent compounded monthly. Value of investment after 6 years c. 6.18 percent compounded continuously. Value of investment after 6 years $