Anushka initially borrowed $4,400 from Bank of Montreal at 2.57% compounded monthly. After 4 years she repaid $1,892, then 7 years after the $4,400 was initially borrowed she repaid $1,672. If she pays off the debt 9 years after the $4,400 was initially borrowed, how much should her final payment be to clear the debt completely? Round all answers to two decimal places if necessary.