1, calculation formula of equal repayment:
Monthly repayment amount = [principal * monthly interest rate * (1+ monthly interest rate) ∧ loan months ]/[( 1+ monthly interest rate) ∧ loan months-1]
(Note: the number of loan months is an index of (1+ monthly interest rate))
2. Calculation formula of equal principal repayment:
Monthly principal and interest repayment amount = (principal/repayment months)+(principal _ accumulated repaid principal) * monthly interest rate.
3. According to the tax law, there are two ways to calculate the property tax:
(1) Calculate the residual value after deducting 30% from the original value of the property at one time. The calculation formula is: annual tax payable = original book value of real estate ×( 1-30%)× 1.2%.
(2) According to the rental income, the calculation formula is: annual tax payable = annual rental income × applicable tax rate (2%).
Different repayment methods have different calculation methods. Individuals can analyze which method is more cost-effective according to the specific loan method.