Joseph Moore must decide how to invest $13,500 that he just inherited. What would be the future value of his investment after 6 years under each of the following two investment opportunities? (Round final answers to O decimal places, e.g. 5,714. Do not round intermediate calculations.) a. 6.40 percent compounded quarterly. Value of investment after 6 years b. 6.22 percent compounded monthly. 19760 Value of investment after 6 years $ 13501