Monthly payment = (loan principal ÷ repayment months)+(loan principal-accumulated amount of repaid principal) × monthly interest rate;
Monthly repayable principal = loan principal ÷ repayment months;
Monthly interest payable = residual principal × monthly interest rate = (loan principal-accumulated principal repayment amount) × monthly interest rate;
Decreasing monthly payment = monthly payable principal × monthly interest rate = loan principal ÷ repayment months × monthly interest rate;
Total interest = [(total loan ÷ repayment months+total loan × monthly interest rate)+total loan ÷ repayment months ×( 1+ monthly interest rate) ]> 2× repayment months-total loan.
2. Equal principal and interest:
Monthly loan amount = [loan principal × monthly interest rate ×( 1+ monthly interest rate )× repayment months ]=[( 1+ monthly interest rate )× repayment months];
Monthly interest payable = loan principal × monthly interest rate ×[( 1+ monthly interest rate) repayment months -( 1+ monthly interest rate) (repayment month serial number-1)] ÷ [(1+monthly interest rate) repayment months -650.
Monthly repayable principal = loan principal × monthly interest rate ×( 1+ monthly interest rate) ÷ (repayment month serial number-1)÷[( 1+ monthly interest rate) repayment months-1];
Total interest = repayment months × monthly repayment amount-loan principal.
What if the house can't pay the monthly payment?
1. If there is only a short-term shortage of funds, you can borrow money from close people first to raise funds to repay the monthly payment during this period. After the capital turnover, I was able to repay last month on time, and the funds on hand became abundant, and then I returned the money to my relatives and friends.
2. If you lose your financial resources and can't repay for a long time, the customer can take the initiative to call the service hotline of the mortgage handling bank to contact the customer service staff, explain your inability to repay the monthly payment, and provide the corresponding proof materials, and then actively express the willingness to repay, and then try to apply for an extension. In this regard, the mortgage handling bank should consider it as appropriate.