Mr. Nina borrows $425,000 from the bank at 3.5% per year interest over a 30-year period. He can make a monthly month-end payment of $1,400 and would like to make a balloon payment at the end of the 30-year period. What would be the size of the balloon payment?

$218,058

$323,069

$433,197

$548,512

Please show how to work this out in Excel if possible?