It is 2019, and you work in finance for a large international media company. Your firm took out a $500m amortizing fixed-rate commercial mortgage on your U.S. corporate headquarters two years ago. The coupon rate on the mortgage is 5%, and the loan initially had a 25 year amortization period, and a 10 year balloon payment. (Note: Since two years have passed, this balloon payment will now occur in eight years time) c. Calculate the monthly payment on this mortgage and the current face value on this mortgage.