You have $$$$500000$ in an IRA$($Individual Retirement$$ Account$)$ at the time you retire. You have the option of investing this money in two$$ funds: Fund A pays $5\mathrm{.}4\%$ annually and Fund B pays $7\mathrm{.}9\%$ annually. How should you divide your money between Fund A and Fund B to produce an annual interest income of $$$$34500?$