Sharon has worked for a company with a retirement program, and today is retiring from her job with the amount of $$125000$ in her retirement account. She decides to withdrawal an equal amount from this account, once a year, beginning immediately, and ending $20$ years from today $($for a total of $21$ payments$).$ If the interest rate is $4\mathrm{.}75\%,$ solve for the annuity amount such that she uses up her full accumulation.

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