Calculate the future value of an ordinary annuity consisting of monthly payments of $$310$ for five years. The rate of return was $9\mathrm{.}3\%$ compounded monthly for the first two years, and will be $7\mathrm{.}8\%$ compounded monthly for the last three years. $($Do not round intermediate calculations and round your final answer to $2$ decimal places.$)$

Future value $?$

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