Total principal and interest at the end of the third year = 1 0,000 * (1+8%) 3+800 * (1+8%) 2+500 * (1+8%) = 27,328,320 yuan.

Annual repayment amount of principal and interest = 2,732.832/(P/A, 8%, 5) = 2,732.832/3.9927 = 6,844.38+0,000 yuan.

Statement of cash flow: unit (ten thousand yuan)

0 time point: 1000

1 year end: 800

Two years later: 500 people

3 years end time: 0

4 years later: -684.438+0

Five years later: -684.438+0

Six years later: -684.438+0

7 years later: -684.438+0

Eight years later: -684.438+0