Ivan took out a fully amortizing 30 year mortgage with the initial balance of $204895. This mortgage has a fixed annual interest rate at 6%. After Ivan has completed 2 full years of monthly_payments, how much have has Ivan paid toward principal? Same question in different words, what is the difference between mortgage balance at orgination and mortgage balance remaining after 2 years of montly payments? Round your answer to the nearest cent (e.g. if your answer is $7000.9873, enter 7000.99 )