ARCI Instruments manufactures a ventilation controller designed for monitoring and controlling carbon monoxide in parking garages, boiler rooms, tunnels, etc. The net cash flow associated with one phase of the operation is shown on the next page.

(a) How many possible rate of return values are there for this cash flow series?

(b) Find all the rate of return values between 0 and 100%

using tabulated factors and a spreadsheet.

Year Net Cash Flow, $
0 30,000 1 20,000 2 15,000 3 2000