Use the following information to answer the next three questions.Consider the following cash flows:

year 0: $- 1,690,000

year 1: 820,000

2: 1,330,000

3: 660,000

4: 1,110,000

assume a discount rate of 15.1 percent

21) What is the payback period? Round your answer to two decimal places.

22)What is the net present value (NPV) rounded to the nearest dollar?

23) What is the internal rate of return?