m=a( 1+x)[- 1+( 1+x)^n]/x
M: Expected income.
A: Fixed investment per period.
X: rate of return
N: fixed investment period (n power in the formula)
Pay attention to the matching of A, X and N, and calculate the monthly fixed investment amount, monthly yield and fixed investment month. If it is one year, it will be counted after reunification.
The landlord will make a fixed investment of10.5 million per month (per year10.8 million), with an annual income of 8%. The fixed investment is 15 years.
18000 (1+8%) [-1+(1+8%)15]/8% = 527837 yuan.