On the net present value profile diagram, the vertical axis intercept where the net present value profile curve crosses the vertical axis is equal to Select one: O a. The sum of all of the cash flows of the project discounted at the internal rate of return. O b. The sum of all of the cash flows of the project discounted at its cost of capital. OC. The sum of all of the positive cash flows of the project. Od. The sum of all of the cash flows of the project