How to calculate the annual interest rate 1 10,000 4.9? What is the total interest of the loan for 30 years and the monthly interest?
1 10,000 annual interest is 4.9, that is, 1 0,000,000× 0.049 = 49,000 yuan, the monthly interest is 49,000 1 2, which is about 4,083 months, and the total interest for 30 years is1470.