Answer:
6545.61
Step-by-step explanation:
If the 6% interest rate is anual, the monthly interes rate is (1+6%)^(1/12)-1=0.4868%
In adition, the equivalent present value to a monthly payment of 1199.10 is the amount applid tho the principal balace is 1199.10 - 210,000*0.4868%=968.91