the director of capital budgeting for big sky health systems, inc has estimated the following cash flows in thousands of dollars for a proposed new service: YEAR _____ EXPECTED NET CASH FLOW 0 ______ ($100) 1 ______ 70 2 ______ 50 3 _______ 20 the project's cost of capital is 10 percent. a. what is the project's payback period? b. what is the projec's NPV? C. What is tye project's IRR? its MIRR