Given values
Pcommercial = 600000 # Loan balance in yuan ncommercial = 360 # Remaining number of payments (months) r_commercial = 2.85 / 100 / 12 # Monthly interest rate for commercial loan
Monthly payment calculation using the formula
Mcommercial = Pcommercial * (rcommercial * (1 + rcommercial)ncommercial) / ((1 + rcommercial)ncommercial - 1) Mcommercial