2.28 For a profession, Henry Mueller has successfully written short articles for several monthly parks and wildlife magazines. His steady annual cash flows for an 8-year period are shown in the table. He received a good bonus in a single year. Determine the future worth (now, year 8) of the net cash flows at an interest rate of 10% per year. Year 1 2 3 4 5 6 7 8 Revenues, $1000 200 200 200 200 200 200 400 200 | Expenses, $1000 90 90 90 90 90 90 90 90