A laser-cutting machine is purchased today for \($23\),000. There are no maintenance costs for the next 2 years.

Maintenance at the end of year 3 is expected to be \($2\),000, with the subsequent years’ maintenance costs each exceeding the previous year’s by \($1\),000. An increase in revenues of \($14\),000 per year is expected. The planning horizon is 6 years. Draw the cash flow diagram.