Seven years ago, Darby Enterprises purchased an office building for $5,200,000. The company financed the purchase with a 7-year, fixed-rate, partially amortizing mortgage loan with monthly payments and an annual interest rate of 7.44%. The amortization term for the loan was 30 years. The loan involved points of 1.00% and Darby Enterprises paid other up-front financing costs to the lender of $10,000 and up-front financing costs to third party service providers of $40,000. The original LTV ratio for the loan was 85%. Today, Darby Enterprises plans to roll over the original loan. The rollover loan would be a 5-year, fixed-rate, partially amortizing mortgage loan with monthly payments and an annual interest rate of 5.88%. The amortization term for the rollover loan would be 21 years. Assume there are no points or fees associated with the rollover loan.

a. What is the monthly payment associated with the original mortgage loan? Round your answer to the nearest cent (such as $123.45 or $9,876.54) and write it in the box.