$16.$ Michael and Sasha own their home, which Michael bought in January $2014$ for $$200,000.$ It is currently assessed for property taxes for $$210,000,$ and aggregate property taxes run $$2,300$ annually. The original mortgage was $$125,000,$ financed for $30$ years at $7\mathrm{.}5\%.$ They have made $108$ monthly payments. Their monthly mortgage payment for principal and interest is $$874.$ Approximately how much of their payments have been applied to their outstanding principal after their $108$th payment? Steps using financial calculator.