A fully amortizing $30$year mortgage loan of $$700,000$ is made for a $100$ acre farm in Cook County at an interest rate of $5\%.$ Constant payments are to be made monthly. If the loan was to be repaid fully over $30$ years, but after $10$ years the landowner hits a jackpot and decides to pay the loan in full, what would be the loan balance after $10$ years? $($State your answer rounded to $2$ decimals$)$