Please show all work & calculations.

The director of capital budgeting for Big Sky Health Systems, Inc., has estimated the following has estimated the following cash flows in thousands of dollars for a proposed new service: Year 0 1 Expected Net Cash Flow ($100,000) $70,000 $50,000 $20,000 2 3 The project's cost of capital is 10 percent. a. What is the project's payback period? b. What is the project's NPV? c. What is the project's IRR? It's MIRR