Calculate the annual worth in year 1 to 8 of the following series of incomes and expenses. Interest is 12% per year.
Year Income ($ per year) Expense ($ per year)
0 $20,000,000.00
1-4 $ 8,000,000.00 $ 1,000,000.00
5-8 $ 9,000,000.00 $ 2,000,000.00